131-493: Mars Express is a space exploration mission being conducted by the European Space Agency (ESA). The Mars Express mission is exploring the planet Mars , and is the first planetary mission attempted by the agency. "Express" originally referred to the speed and efficiency with which the spacecraft was designed and built. However, "Express" also describes the spacecraft's relatively short interplanetary voyage,
262-490: A 99-year lease for Baikonur, but agreed to a US$ 115 million annual lease of the site for 20 years with an option for a 10-year extension. On 8 June 2005, the Russian Federation Council ratified an agreement between Russia and Kazakhstan extending Russia's rent term of the spaceport until 2050. The rent price – which remained fixed at US$ 115,000,000 per year – is
393-525: A gravity assist from Jupiter . Its closest approach to Pluto was on 14 July 2015; scientific observations of Pluto began five months prior to closest approach and continued for 16 days after the encounter. The New Horizons mission also performed a flyby of the small planetesimal Arrokoth , in the Kuiper belt , in 2019. This was its first extended mission. Although many comets have been studied from Earth sometimes with centuries-worth of observations, only
524-468: A 200 km Earth parking orbit , then the Fregat was fired again at 19:14 UT to put the spacecraft into a Mars transfer orbit. The Fregat and Mars Express separated at approximately 19:17 UT. The solar panels were then deployed and a trajectory correction manoeuvre was performed on June 4 to aim Mars Express towards Mars and allow the Fregat booster to coast into interplanetary space. The Mars Express
655-447: A benign environment for the instruments and on-board equipment. Two instruments, PFS and OMEGA, have infrared detectors that need to be kept at very low temperatures (about −180 °C). The sensors on the camera (HRSC) also need to be kept cool. But the rest of the instruments and on-board equipment function best at room temperatures (10–20 °C). The spacecraft is covered in gold-plated aluminium-tin alloy thermal blankets to maintain
786-608: A better appreciation of the Red Planet but also yield further insight into the past, and possible future, of Earth. The exploration of Mars has come at a considerable financial cost with roughly two-thirds of all spacecraft destined for Mars failing before completing their missions, with some failing before they even began. Such a high failure rate can be attributed to the complexity and large number of variables involved in an interplanetary journey, and has led researchers to jokingly speak of The Great Galactic Ghoul which subsists on
917-569: A clear positive impact in scientific returns. This inter-agency cooperation has proven effective, flexible and enriching for both sides. On the technical side, it has been made possible (among other reasons) thanks to the adoption of both Agencies of the Standards for Space Communications defined in CCSDS . Thermal control is maintained through the use of radiators, multi-layer insulation , and actively controlled heaters. The spacecraft must provide
1048-468: A close flyby of Saturn's moon Titan, resulting in a trajectory incompatible with a Pluto flyby. Voyager 2 never had a plausible trajectory for reaching Pluto. After an intense political battle, a mission to Pluto dubbed New Horizons was granted funding from the United States government in 2003. New Horizons was launched successfully on 19 January 2006. In early 2007 the craft made use of
1179-485: A confirmed operating period until December 31, 2026, and a further provisional extension to December 31, 2028. Some of the instruments on the orbiter, including the camera systems and some spectrometers , reuse designs from the failed launch of the Russian Mars 96 mission in 1996 (European countries had provided much of the instrumentation and financing for that unsuccessful mission). The design of Mars Express
1310-580: A conspicuous anticyclone storm system rivaled in size only by Jupiter's Great Red Spot . Neptune also proved to have the fastest winds of any planet in the Solar System, measured as high as 2,100 km/h. Voyager 2 also examined Neptune's ring and moon system . It discovered 900 complete rings and additional partial ring "arcs" around Neptune. In addition to examining Neptune's three previously known moons, Voyager 2 also discovered five previously unknown moons, one of which, Proteus , proved to be
1441-626: A contract establishing the "Russia–Kazakhstan Baiterek JV" joint venture, in which each country holds a 50% stake. The goal of the project was the construction of the Bayterek (" poplar tree") space launch complex, to facilitate operations of the Russian Angara rocket launcher. This was anticipated to allow launches with a payload of 26 tons to low Earth orbit , compared to 20 tons using the Proton system. An additional benefit would be that
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#17327649124371572-484: A diet of Mars probes. This phenomenon is also informally known as the " Mars Curse ". In contrast to overall high failure rates in the exploration of Mars, India has become the first country to achieve success of its maiden attempt. India's Mars Orbiter Mission (MOM) is one of the least expensive interplanetary missions ever undertaken with an approximate total cost of ₹ 450 Crore ( US$ 73 million ). The first mission to Mars by any Arab country has been taken up by
1703-476: A few clouds in the images of the planet. The magnetosphere of Uranus, however, proved to be unique, being profoundly affected by the planet's unusual axial tilt. In contrast to the bland appearance of Uranus itself, striking images were obtained of the Moons of Uranus, including evidence that Miranda had been unusually geologically active. The exploration of Neptune began with the 25 August 1989 Voyager 2 flyby,
1834-675: A few comets have been closely visited. In 1985, the International Cometary Explorer conducted the first comet fly-by ( 21P/Giacobini-Zinner ) before joining the Halley Armada studying the famous comet. The Deep Impact probe smashed into 9P/Tempel to learn more about its structure and composition and the Stardust mission returned samples of another comet's tail. The Philae lander successfully landed on Comet Churyumov–Gerasimenko in 2014 as part of
1965-518: A large number of Earth observation satellites have been deployed specifically to explore Earth from a space-based perspective. These satellites have significantly contributed to the understanding of a variety of Earth-based phenomena. For instance, the hole in the ozone layer was found by an artificial satellite that was exploring Earth's atmosphere, and satellites have allowed for the discovery of archeological sites or geological formations that were difficult or impossible to otherwise identify. The Moon
2096-664: A lesser extent Baikonur's position at about the 46th parallel north ) that led to the 51.6° orbital inclination of the ISS; the lowest inclination that can be reached by Soyuz boosters launched from Baikonur without flying over China . With the conclusion of NASA's Space Shuttle program in 2011, Baikonur became the sole launch site used for crewed missions to the ISS until the launch of Crew Dragon Demo-2 in 2020. In 2019, Gagarin's Start hosted three crewed launches, in March, July and September, before being shut down for modernisation for
2227-454: A milestone. As of 1 December 2022, there were 5,284 confirmed exoplanets discovered. The Milky Way is estimated to contain 100–400 billion stars and more than 100 billion planets . There are at least 2 trillion galaxies in the observable universe . HD1 is the most distant known object from Earth, reported as 33.4 billion light-years away. MW 18014 was a German V-2 rocket test launch that took place on 20 June 1944, at
2358-652: A multinational team of engineers from ESA's Operation Centre ( ESOC ) in Darmstadt . The team began preparations for the mission about 3 to 4 years prior to the actual launch. This involved preparing the ground segment and the operational procedures for the whole mission. The Mission Control Team is composed of the Flight Control Team, Flight Dynamics Team, Ground Operations Managers, Software Support and Ground Facilities Engineers. All of these are located at ESOC but there are additionally external teams, such as
2489-644: A museum (in part for tourism purposes). On 7 March 2023, the Kazakh government seized control of the Baiterek launch complex, one of the launch sites at Baikonur Cosmodrome, banning numerous Russian officials from leaving the country and preventing the liquidation of assets by Roscosmos. One of the reasons for the seizure was due to Russia failing to pay a $ 29.7 million debt to the Kazakh government. The seizure comes after Russia's relations with Kazakhstan became tense due to its ongoing invasion of Ukraine . Baikonur
2620-637: A result of being launched when the orbits of Earth and Mars brought them closer than they had been in about 60,000 years. Mars Express consists of two parts, the Mars Express Orbiter and Beagle 2 , a lander designed to perform exobiology and geochemistry research. Although the lander failed to fully deploy after it landed on the Martian surface, the orbiter has been successfully performing scientific measurements since early 2004, namely, high-resolution imaging and mineralogical mapping of
2751-510: A significant amount of time. The new AI tool saves operator time, optimizes bandwidth use on the DSN , prevents data loss, and allows better use of the DSN for other space operations as well. The AI decides how to manage the spacecraft's 12 gigabits of storage memory, when the DSN will be available and not be in use by another mission, how to make the best use of the DSN bandwidth allocated to it, and when
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#17327649124372882-619: A sort of bubble of particles made in the Galaxy by the Sun's solar wind . The Sun is a major focus of space exploration. Being above the atmosphere in particular and Earth's magnetic field gives access to the solar wind and infrared and ultraviolet radiations that cannot reach Earth's surface. The Sun generates most space weather , which can affect power generation and transmission systems on Earth and interfere with, and even damage, satellites and space probes. Numerous spacecraft dedicated to observing
3013-517: A spacecraft numerous teams of experts distributed over the contributing companies and organisations prepared the space and ground segments. Each of these teams focussed on the area of its responsibility and interfacing as required. A major additional requirement raised for the Launch and Early Orbit Phase (LEOP) and all critical operational phases was that it was not enough merely to interface; the teams had to be integrated into one Mission Control Team. All
3144-470: A temperature of 10–20 °C inside the spacecraft. The instruments that operate at low temperatures to be kept cold are thermally insulated from this relatively high internal temperature, and emit excess heat into space using attached radiators. The spacecraft is run by two Control and Data management Units with 12 gigabits of solid state mass memory for storage of data and housekeeping information for transmission. The on-board computers control all aspects of
3275-753: A total of six spacecraft with humans landing on the Moon starting from 1969 to the last human landing in 1972. The first interplanetary flyby was the 1961 Venera 1 flyby of Venus , though the 1962 Mariner 2 was the first flyby of Venus to return data (closest approach 34,773 kilometers). Pioneer 6 was the first satellite to orbit the Sun , launched on 16 December 1965. The other planets were first flown by in 1965 for Mars by Mariner 4 , 1973 for Jupiter by Pioneer 10 , 1974 for Mercury by Mariner 10 , 1979 for Saturn by Pioneer 11 , 1986 for Uranus by Voyager 2 , 1989 for Neptune by Voyager 2 . In 2015,
3406-644: Is a spaceport operated by Russia within Kazakhstan . Located in the Kazakh city of Baikonur , it is the largest operational space launch facility in terms of area. All Russian crewed spaceflights are launched from Baikonur. Situated in the Kazakh Steppe , some 90 metres (300 ft) above sea level, it is 200 kilometres (120 mi) to the east of the Aral Sea and north of the Syr Darya . It
3537-469: Is based on ESA's Rosetta mission , on which a considerable sum was spent on development. The same design was also used for ESA's Venus Express mission in order to increase reliability and reduce development cost and time. Because of these redesigns and repurposings, the total cost of the project was about $ 345 million- less than half of comparable U.S. missions. Arriving at Mars in 2003, 20 years, 11 months and 3 days ago (and counting), it
3668-545: Is close to Töretam , a station on the Trans-Aral Railway . Russia, as the official successor state to the Soviet Union , has retained control over the facility since 1991; it originally assumed this role through the post-Soviet Commonwealth of Independent States (CIS), but ratified an agreement with Kazakhstan in 2005 that allowed it to lease the spaceport until 2050. It is jointly managed by Roscosmos and
3799-456: Is fully equipped with facilities for launching both crewed and uncrewed spacecraft . It has supported several generations of Russian spacecraft: Soyuz , Proton , Tsyklon , Dnepr , Zenit and Buran . Downrange from the launchpad, spent launch equipment is dropped directly on the ground in the Russian far east where it is salvaged by the workers and the local population. As part of
3930-477: Is home to a collection of space artefacts. A restored test article from the Soviet Buran programme sits next to the museum entrance. The only completed orbiter , which flew a single orbital test mission in 1988, was destroyed in a hangar collapse in 2002. For a complete list of surviving Buran vehicles and artefacts, see Buran programme § List of vehicles . The museum also houses photographs related to
4061-445: Is one of the main sources for space science . While the observation of objects in space, known as astronomy , predates reliable recorded history , it was the development of large and relatively efficient rockets during the mid-twentieth century that allowed physical space exploration to become a reality. Common rationales for exploring space include advancing scientific research, national prestige, uniting different nations, ensuring
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4192-440: Is redundant. During routine phase, the spacecraft's power consumption is in the range of 450–550 W. Attitude control (3-axis stabilization) is achieved using two 3-axis inertial measurement units, a set of two star cameras and two Sun sensors , gyroscopes , accelerometers , and four 12 N·m·s reaction wheels . Pointing accuracy is 0.04 degree with respect to the inertial reference frame and 0.8 degree with respect to
4323-495: Is said to have been invented in 1608 in the Netherlands by an eyeglass maker named Hans Lippershey , but their first recorded use in astronomy was by Galileo Galilei in 1609. In 1668 Isaac Newton built his own reflecting telescope , the first fully functional telescope of this kind, and a landmark for future developments due to its superior features over the previous Galilean telescope . A string of discoveries in
4454-591: Is still laying on the falling grounds". Scrap recovery is part of the local economy. Many historic flights lifted off from Baikonur: the first operational ICBM ; the first man-made satellite, Sputnik 1 , on 4 October 1957; the first spacecraft to travel close to the Moon, Luna 1 , on 2 January 1959; the first crewed and orbital flight by Yuri Gagarin on 12 April 1961; and the flight of the first woman in space, Valentina Tereshkova , in 1963. 14 cosmonauts of 13 other nations, including Czechoslovakia , East Germany , India and France have launched from Baikonur under
4585-493: Is the second longest surviving, continually active spacecraft in orbit around a planet other than Earth, behind only NASA's still active 2001 Mars Odyssey . The Mars Express mission is dedicated to the orbital (and originally in-situ) study of the interior, subsurface, surface and atmosphere, and environment of the planet Mars. The scientific objectives of the Mars Express mission represent an attempt to fulfill in part
4716-451: Is used during nominal science phase around Mars. The low gain antennas are used during launch and early operations to Mars and for eventual contingencies once in orbit. Two Mars lander relay UHF antennas are mounted on the top face for communication with the Beagle 2 or other landers, using a Melacom transceiver. Although communications with Earth were originally scheduled to take place with
4847-629: The Bumper-WAC reached an altitude of 393 kilometres (244 mi), becoming the first human-made object to enter space, according to NASA . The first successful orbital launch was of the Soviet uncrewed Sputnik 1 ("Satellite 1") mission on 4 October 1957. The satellite weighed about 83 kg (183 lb), and is believed to have orbited Earth at a height of about 250 km (160 mi). It had two radio transmitters (20 and 40 MHz), which emitted "beeps" that could be heard by radios around
4978-534: The Buran programme , several facilities were adapted or newly built for the Buran-class space shuttle orbiters: All Baikonur's logistics are based on its own intra-site 1,520 mm ( 4 ft 11 + 27 ⁄ 32 in ) gauge railway network, which is the largest industrial railway on the planet. The railway is used for all stages of launch preparation, and all spacecraft are transported to
5109-472: The Cassini spacecraft, which lasted from 2004 until 2017. Saturn has at least 62 known moons , although the exact number is debatable since Saturn's rings are made up of vast numbers of independently orbiting objects of varying sizes. The largest of the moons is Titan , which holds the distinction of being the only moon in the Solar System with an atmosphere denser and thicker than that of Earth. Titan holds
5240-849: The Chandrayaan programme , while the European Union and Japan have also planned future crewed space missions. The two primary global programs gaining traction in the 2020s are the Chinese-led International Lunar Research Station and the US-led Artemis Program, with its plan to build the Lunar Gateway and the Artemis Base Camp , each having its own set of international partners. The first telescope
5371-580: The Interkosmos program as well. In 1960, a prototype R-16 ICBM exploded before launch , killing over 100 people. Baikonur is also the site from which Venera 9 and Mars 3 were launched. Following the dissolution of the Soviet Union in 1991, the Russian space program continued to operate from Baikonur under the auspices of the Commonwealth of Independent States . Russia wanted to sign
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5502-596: The Peenemünde Army Research Center in Peenemünde . It was the first human-made object to reach outer space , attaining an apogee of 176 kilometers, which is well above the Kármán line . It was a vertical test launch. Although the rocket reached space, it did not reach orbital velocity , and therefore returned to Earth in an impact, becoming the first sub-orbital spaceflight . In 1949,
5633-653: The Russian Aerospace Forces . In 1955, the Soviet Ministry of Defence issued a decree and founded the Baikonur Cosmodrome. It was originally built as the chief base of operations for the Soviet space program . The Cosmodrome served as the launching point for Sputnik 1 and Vostok 1 . The launchpad used for both missions was renamed " Gagarin's Start " in honour of Soviet cosmonaut Yuri Gagarin , who piloted Vostok 1 and became
5764-559: The Space Shuttle program , and from competition to cooperation as with the International Space Station (ISS). With the substantial completion of the ISS following STS-133 in March 2011, plans for space exploration by the U.S. remained in flux. The Constellation program aiming for a return to the Moon by 2020 was judged unrealistic by an expert review panel reporting in 2009. Constellation ultimately
5895-606: The dwarf planets Ceres and Pluto were orbited by Dawn and passed by New Horizons , respectively. This accounts for flybys of each of the eight planets in the Solar System , the Sun , the Moon , and Ceres and Pluto (two of the five recognized dwarf planets ). The first interplanetary surface mission to return at least limited surface data from another planet was the 1970 landing of Venera 7 , which returned data to Earth for 23 minutes from Venus . In 1975, Venera 9
6026-470: The far side of the Moon . India's Chandrayaan-3 in 2023 achieved the world's first landing on the lunar south pole region. Crewed exploration of the Moon began in 1968 with the Apollo 8 mission that successfully orbited the Moon, the first time any extraterrestrial object was orbited by humans. In 1969, the Apollo 11 mission marked the first time humans set foot upon another world. Crewed exploration of
6157-510: The 1990s, when the Russian civilian space agency and its industrial contractors started taking over individual facilities. In 2006, the head of Roscosmos, Anatoly Perminov , said that the last Russian military personnel would be removed from the Baikonur facility by 2007. However, on 22 October 2008, an SS-19 Stiletto missile was test-fired from Baikonur, indicating this may not be the case. On 22 December 2004, Kazakhstan and Russia signed
6288-462: The 60 kg lander, and 457 kg of propellant. The main body is 1.5 m × 1.8 m × 1.4 m in size, with an aluminium honeycomb structure covered by an aluminium skin. The solar panels measure about 12 m tip-to-tip. Two 20 m long wire dipole antennas extend from opposite side faces perpendicular to the solar panels as part of the radar sounder. The Soyuz/Fregat launcher provided most of the thrust Mars Express needed to reach Mars. The final stage of
6419-507: The Angara uses kerosene as fuel and oxygen as the oxidiser, which is less hazardous to the environment than the toxic fuels used by older boosters. The total expenditure on the Kazakh side was expected to be US$ 223 million over 19 years. As of 2010, the project was stalling due to insufficient funding, but it was thought that the project still had good chances to succeed because it would allow both parties – Russia and Kazakhstan – to continue
6550-755: The Beagle 2 management board. An inquiry was held and its findings were published later that year. Mars Express arrived at Mars after a 400 million km journey and course corrections in September and in December 2003. On December 20 Mars Express fired a short thruster burst to put it into position to orbit the planet. The Mars Express orbiter then fired its main engine and went into a highly elliptical initial-capture orbit of 250 km × 150,000 km with an inclination of 25 degrees on December 25 at 03:00 UT (10:00 p.m., December 24 EST). First evaluation of
6681-732: The ESA 35-meter wide Ground Station in New Norcia (Australia) New Norcia Station , the mission profile of progressive enhancement and science return flexibility have triggered the use of the ESA ESTRACK Ground Stations in Cebreros Station , Madrid , Spain and Malargüe Station , Argentina . In addition, further agreements with NASA Deep Space Network have made possible the use of American stations for nominal mission planning, thus increasing complexity but with
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#17327649124376812-533: The Mars orbital frame. Three on-board systems help Mars Express maintain a very precise pointing accuracy, which is essential to allow the spacecraft to use some of the science instruments. The communications subsystem is composed of three antennas: A 1.6 m diameter parabolic dish high-gain antenna and two omnidirectional antennas. The first one provide links (telecommands uplink and telemetry downlink) in both X-band (8.4 GHz) and S-band (2.1 GHz) and
6943-472: The Martian surface with unprecedented resolution and has acquired multiple images. Space exploration Space exploration is the use of astronomy and space technology to explore outer space . While the exploration of space is currently carried out mainly by astronomers with telescopes , its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight . Space exploration, like its classical form astronomy ,
7074-532: The Ministry of Defense of the Russian Federation changed the flight path and removed the ejected rocket stages near Nyurbinsky District , Russia. Scientific literature collected data that indicated adverse effects of rockets on the environment and the health of the population. UDMH , a fuel used in some Russian rocket engines, is highly toxic. It is one of the reasons for acid rains and cancers in
7205-562: The Moon began with the Ranger 4 impactor in 1962. Starting in 1966, the Soviets successfully deployed a number of landers to the Moon which were able to obtain data directly from the Moon's surface; just four months later, Surveyor 1 marked the debut of a successful series of U.S. landers. The Soviet uncrewed missions culminated in the Lunokhod program in the early 1970s, which included
7336-426: The Moon did not continue for long. The Apollo 17 mission in 1972 marked the sixth landing and the most recent human visit. Artemis II is scheduled to complete a crewed flyby of the Moon in 2025, and Artemis III will perform the first lunar landing since Apollo 17 with it scheduled for launch no earlier than 2026. Robotic missions are still pursued vigorously. The exploration of Mars has been an important part of
7467-465: The Moon. Also, probes were sent throughout the known Solar System, and into Solar orbit. Uncrewed spacecraft have been sent into orbit around Saturn, Jupiter, Mars, Venus, and Mercury by the 21st century, and the most distance active spacecraft, Voyager 1 and 2 traveled beyond 100 times the Earth-Sun distance. The instruments were enough though that it is thought they have left the Sun's heliosphere,
7598-731: The Project and Industry Support teams, who designed and built the spacecraft. The Flight Control Team currently consists of: The team build-up, headed by the Spacecraft Operations Manager, started about four years before launch. He was required to recruit a suitable team of engineers that could handle the varying tasks involved in the mission. For Mars Express the engineers came from various other missions. Most of them had been involved with Earth orbiting satellites. Since orbit insertion Mars Express has been progressively fulfilling its original scientific goals. Nominally
7729-449: The Solar System (and beyond) followed, then and in the next centuries : the mountains of the Moon , the phases of Venus , the main satellites of Jupiter and Saturn , the rings of Saturn , many comets , the asteroids , the new planets Uranus and Neptune , and many more satellites . The Orbiting Astronomical Observatory 2 was the first space telescope launched 1968, but the launching of Hubble Space Telescope in 1990 set
7860-423: The Solar System are accomplished at a cost in energy, which is described by the net change in velocity of the spacecraft, or delta-v . Due to the relatively high delta-v to reach Mercury and its proximity to the Sun, it is difficult to explore and orbits around it are rather unstable. Venus was the first target of interplanetary flyby and lander missions and, despite one of the most hostile surface environments in
7991-545: The Solar System, has had more landers sent to it (nearly all from the Soviet Union) than any other planet in the Solar System. The first flyby was the 1961 Venera 1 , though the 1962 Mariner 2 was the first flyby to successfully return data. Mariner 2 has been followed by several other flybys by multiple space agencies often as part of missions using a Venus flyby to provide a gravitational assist en route to other celestial bodies. In 1967, Venera 4 became
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#17327649124378122-567: The Soyuz descent capsule. In 2021, the Baikonur space complex was named as one of the top 10 tourist destinations in Kazakhstan. In 2023, a plan was announced to add the Gagarin's Start launch complex to the museum complex at Baikonur. The Baikonur Cosmodrome was heavily featured in the 2003 computer game Command & Conquer: Generals and in the expansion Zero Hour . The GLA captured
8253-443: The Soyuz, Fregat was jettisoned once the probe was safely on a course for Mars. The spacecraft's on-board means of propulsion was used to slow the probe for Mars orbit insertion and subsequently for orbit corrections. The body is built around the main propulsion system, which consists of a bipropellant 400 N main engine. The two 267-liter propellant tanks have a total capacity of 595 kg. Approximately 370 kg are needed for
8384-711: The Sun, beginning with the Apollo Telescope Mount , have been launched and still others have had solar observation as a secondary objective. Parker Solar Probe , launched in 2018, will approach the Sun to within 1/9th the orbit of Mercury. Mercury remains the least explored of the Terrestrial planets . As of May 2013, the Mariner 10 and MESSENGER missions have been the only missions that have made close observations of Mercury. MESSENGER entered orbit around Mercury in March 2011, to further investigate
8515-546: The United Arab Emirates. Called the Emirates Mars Mission , it was launched on 19 July 2020 and went into orbit around Mars on 9 February 2021. The uncrewed exploratory probe was named "Hope Probe" and was sent to Mars to study its atmosphere in detail. The Russian space mission Fobos-Grunt , which launched on 9 November 2011, experienced a failure leaving it stranded in low Earth orbit . It
8646-556: The air the focus. Both the Soviet Union and the U.S. were racing to prove their superiority in technology through exploring space. In fact, the reason NASA was created was as a response to Sputnik I. The launch of the first human-made object to orbit Earth , the Soviet Union's Sputnik 1 , on 4 October 1957, and the first Moon landing by the American Apollo 11 mission on 20 July 1969 are often taken as landmarks for this initial period. The Soviet space program achieved many of
8777-557: The asteroid 4 Vesta , two of the three largest asteroids, were visited by NASA's Dawn spacecraft , launched in 2007. Hayabusa was a robotic spacecraft developed by the Japan Aerospace Exploration Agency to return a sample of material from the small near-Earth asteroid 25143 Itokawa to Earth for further analysis. Hayabusa was launched on 9 May 2003 and rendezvoused with Itokawa in mid-September 2005. After arriving at Itokawa, Hayabusa studied
8908-428: The asteroid's shape, spin, topography, color, composition, density, and history. In November 2005, it landed on the asteroid twice to collect samples. The spacecraft returned to Earth on 13 June 2010. The exploration of Jupiter has consisted solely of a number of automated NASA spacecraft visiting the planet since 1973. A large majority of the missions have been "flybys", in which detailed observations are taken without
9039-469: The atmospheric composition, study the subsurface structure, the global atmospheric circulation, and the interaction between the atmosphere and the subsurface, and the atmosphere and the interplanetary medium. The total mass budgeted for the science payload is 116 kg. The payload scientific instruments are: For more than 20,000 orbits, Mars Express payload instruments have been nominally and regularly operated. The HRSC camera has been consistently mapping
9170-462: The boom did not lock fully into place; however, exposing it to sunlight for a few minutes on May 10 fixed the glitch. The second 20 m boom was successfully deployed on June 14. Both 20 m booms were needed to create a 40 m dipole antenna for MARSIS to work; a less crucial 7-meter-long monopole antenna was deployed on June 17. The radar booms were originally scheduled to be deployed in April 2004, but this
9301-411: The broader Rosetta mission . Deep space exploration is the branch of astronomy , astronautics and space technology that is involved with the exploration of distant regions of outer space. Physical exploration of space is conducted both by human spaceflights (deep-space astronautics) and by robotic spacecraft . Baikonur Cosmodrome Download coordinates as: The Baikonur Cosmodrome
9432-463: The commission chose Tyuratam, a village in the heart of the Kazakh Steppe . The expense of constructing the launch facilities and the several hundred kilometres of new road and train lines made the Cosmodrome one of the most costly infrastructure projects undertaken by the Soviet Union . A supporting town was built around the facility to provide housing, schools, and infrastructure for workers. It
9563-434: The cosmodrome's history, including images of all cosmonauts. Every crew of every expedition launched from Baikonur leaves behind a signed crew photograph that is displayed behind the glass. Baikonur's museum holds many objects related to Gagarin, including the ground control panel from his flight, his uniforms, and soil from his landing site, preserved in a silver container. One of the museum rooms also holds an older version of
9694-580: The cosmodrome. Russian scientist Afanasiy Ilich Tobonov researched mass animal deaths in the 1990s and concluded that the mass deaths of birds and wildlife in the Sakha Republic were noted only along the flight paths of space rockets launched from the Baikonur cosmodrome. Dead wildlife and livestock were usually incinerated, and the participants in these incinerations, including Tobonov himself, his brothers and inhabitants of his native village of Eliptyan, commonly died from stroke or cancer. In 1997,
9825-504: The crews commented that on their evening flight to Moscow they had seen lights on launch pads and related complexes for more than 15 minutes, and according to astronaut Thomas Stafford , "that makes Cape Kennedy look very small." According to most sources, the name Baikonur was deliberately chosen in 1961 (around the time of Gagarin's flight) to misdirect the Western Bloc to a place about 320 kilometres (200 mi) northeast of
9956-453: The different experts had to work together in an operational environment and the interaction and interfaces between all elements of the system (software, hardware and human) had to run smoothly for this to happen: The spacecraft was launched on June 2, 2003, at 23:45 local time (17:45 UT, 1:45 p.m. EDT) from Baikonur Cosmodrome in Kazakhstan , using a Soyuz-FG / Fregat rocket. The Mars Express and Fregat booster were initially put into
10087-702: The distinction of being the only object in the Outer Solar System that has been explored with a lander, the Huygens probe deployed by the Cassini spacecraft. The exploration of Uranus has been entirely through the Voyager 2 spacecraft, with no other visits currently planned. Given its axial tilt of 97.77°, with its polar regions exposed to sunlight or darkness for long periods, scientists were not sure what to expect at Uranus. The closest approach to Uranus occurred on 24 January 1986. Voyager 2 studied
10218-533: The energy required at launch to reach Jupiter, albeit at the cost of a significantly longer flight duration. Jupiter has 95 known moons , many of which have relatively little known information about them. Saturn has been explored only through uncrewed spacecraft launched by NASA, including one mission ( Cassini–Huygens ) planned and executed in cooperation with other space agencies. These missions consist of flybys in 1979 by Pioneer 11 , in 1980 by Voyager 1 , in 1982 by Voyager 2 and an orbital mission by
10349-419: The first human in outer space. Under the current Russian management, Baikonur remains a busy spaceport, with numerous commercial, military, and scientific missions being launched annually. The Soviet government issued Scientific Research Test Range No. 5 ( NIIP-5 ; Russian : 5-й Научно-Исследовательский Испытательный Полигон, Pyatyy Nauchno-Issledovatel'skiy Ispytatel'nyy Poligon ) on 12 February 1955. It
10480-449: The first milestones, including the first living being in orbit in 1957, the first human spaceflight ( Yuri Gagarin aboard Vostok 1 ) in 1961, the first spacewalk (by Alexei Leonov ) on 18 March 1965, the first automatic landing on another celestial body in 1966, and the launch of the first space station ( Salyut 1 ) in 1971. After the first 20 years of exploration, focus shifted from one-off flights to renewable hardware, such as
10611-465: The first of which was Galileo , which flew past two: 951 Gaspra in 1991, followed by 243 Ida in 1993. Both of these lay near enough to Galileo' s planned trajectory to Jupiter that they could be visited at acceptable cost. The first landing on an asteroid was performed by the NEAR Shoemaker probe in 2000, following an orbital survey of the object, 433 Eros . The dwarf planet Ceres and
10742-510: The first probe to enter and directly examine the atmosphere of Venus. In 1970, Venera 7 became the first successful lander to reach the surface of Venus and by 1985 it had been followed by eight additional successful Soviet Venus landers which provided images and other direct surface data. Starting in 1975, with the Soviet orbiter Venera 9 , some ten successful orbiter missions have been sent to Venus, including later missions which were able to map
10873-412: The first uncrewed rovers and also successfully brought lunar soil samples to Earth for study. This marked the first (and to date the only) automated return of extraterrestrial soil samples to Earth. Uncrewed exploration of the Moon continues with various nations periodically deploying lunar orbiters. China's Chang'e 4 in 2019 and Chang'e 6 in 2024 achieved the world's first landing and sample return on
11004-533: The future survival of humanity, and developing military and strategic advantages against other countries. The early era of space exploration was driven by a " Space Race " between the Soviet Union and the United States . A driving force of the start of space exploration was during the Cold War. After the ability to create nuclear weapons, the narrative of defense/offense left land and the power to control
11135-406: The globe. Analysis of the radio signals was used to gather information about the electron density of the ionosphere, while temperature and pressure data was encoded in the duration of radio beeps. The results indicated that the satellite was not punctured by a meteoroid . Sputnik 1 was launched by an R-7 rocket. It burned up upon re-entry on 3 January 1958. The first successful human spaceflight
11266-402: The high gain antenna will be pointed towards Earth for uplink and downlink. After 100 days the apoapsis was lowered to 10,107 km and periapsis raised to 298 km to give an orbital period of 6.7 hours. On May 4, 2005, Mars Express deployed the first of its two 20-metre-long radar booms for its MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) experiment. At first
11397-554: The injection error correction manoeuvre and the first commissioning of the spacecraft and payload (final commissioning of payload took place after Mars Orbit Insertion). The payload was checked out one instrument at a time. This phase lasted about one month. This five month phase lasted from the end of the Near Earth Commissioning phase until one month prior to the Mars capture manoeuvre and included trajectory correction manoeuvres and payloads calibration. The payload
11528-405: The instruments take measurements of the surface, atmosphere and interplanetary media, from the main spacecraft in polar orbit, which will allow it to gradually cover the whole planet. The total initial Mars Express budget excluding the lander was € 150 million. The prime contractor for the construction of Mars Express orbiter was EADS Astrium Satellites . In the years preceding the launch of
11659-504: The joint use of Baikonur even after the construction of Vostochny Cosmodrome . As of 2017, the first launch of the Baiterek Rocket and Space Complex was expected to occur in 2025. The Baikonur Cosmodrome has a small museum, next to two small cottages, once residences of the rocket engineer Sergei Korolev and the first cosmonaut , Yuri Gagarin . Both cottages are part of the museum complex and have been preserved. The museum
11790-530: The lander was declared lost. A Commission of Inquiry on Beagle 2 identified several possible causes, including airbag problems, severe shocks to the lander's electronics which had not been simulated adequately before launch, and problems with parts of the landing system colliding; but was unable to reach any firm conclusions. The spacecraft's fate remained a mystery until it was announced in January 2015 that NASA's Mars Reconnaissance Orbiter, using HiRISE, had found
11921-459: The last largest moon in the system. Data from Voyager 2 supported the view that Neptune's largest moon, Triton , is a captured Kuiper belt object. The dwarf planet Pluto presents significant challenges for spacecraft because of its great distance from Earth (requiring high velocity for reasonable trip times) and small mass (making capture into orbit difficult at present). Voyager 1 could have visited Pluto, but controllers opted instead for
12052-533: The launch center, the small mining town and railway station of Baikonur near Jezkazgan . Leninsk, the closed city built to support the cosmodrome, was renamed Baikonur on 20 December 1995 by Boris Yeltsin . According to NASA's history of the Apollo-Soyuz Test Project , the name Baikonur was not chosen to misdirect, but was the name of the Tyuratam region before the establishment of
12183-473: The launch complex. It was also featured in its Multiplayer Map "Launch", as well as the Zombies map "Ascension" The Baikonur Cosmodrome also serves as the inspiration for a location in the 2014 videogame Destiny . The Baikonur Cosmodrome and its surroundings serve as the setting of the 2022 French TV miniseries Infiniti . The Baikonur Cosmodrome, the city of Baikonur, and the surrounding areas (including
12314-522: The launch pad to launch an ICBM filled with bio-chemicals at an unspecified US naval base in Europe. The Americans retook it in Zero Hour. The Baikonur Cosmodrome was featured prominently in the 2010 video game Call of Duty: Black Ops . In one mission in the campaign, the main character is tasked by John F. Kennedy with destroying a Soyuz spacecraft and eliminating several high-value targets at
12445-550: The launchpads by the special Schnabel cars . Once part of the Soviet Railroad Troops , the Baikonur Railway is now served by a dedicated civilian state company. There are several rail links connecting the Baikonur Railway to the public railway of Kazakhstan and the rest of the world. The Baikonur Cosmodrome has two on-site multi-purpose airports , serving both the personnel transportation needs and
12576-465: The local population, near the cosmodrome. Valery Yakovlev, a head of the laboratory of ecosystem research of the State scientific-production union of applied ecology "Kazmechanobr", notes: "Scientists have established the extreme character of the destructive influence of the "Baikonur" space center on environment and population of the region: 11 000 tons of space scrap metal, polluted by especially toxic UDMH
12707-560: The logistics of space launches (including the delivery of the spacecraft by planes). There are scheduled passenger services from Moscow to the smaller Krayniy Airport ( IATA : BXY , ICAO : UAOL ), which however are not accessible to the public. The larger Yubileyniy Airport (Юбилейный аэропорт) ( IATA : UAON ) was where the Buran orbiter was transported to Baikonur on the back of the Antonov An-225 Mriya cargo aircraft. Although Baikonur has always been known around
12838-469: The longest ever Soviet planetary surface mission. Venus and Mars are the two planets outside of Earth on which humans have conducted surface missions with uncrewed robotic spacecraft . Salyut 1 was the first space station of any kind, launched into low Earth orbit by the Soviet Union on 19 April 1971. The International Space Station (ISS) is currently the largest and oldest of the 2 current fully functional space stations, inhabited continuously since
12969-552: The lost scientific goals of the Russian Mars 96 mission, complemented by exobiology research with Beagle-2. Mars exploration is crucial for a better understanding of the Earth from the perspective of comparative planetology . The spacecraft originally carried seven scientific instruments, a small lander, a lander relay and a Visual Monitoring Camera, all designed to contribute to solving the mystery of Mars' missing water. All of
13100-466: The lunar surface, and 400,171 km (248,655 mi) from Earth, marking the record for the farthest humans have ever traveled from Earth in 1970. As of 26 November 2022 Voyager 1 was at a distance of 159 AU (23.8 billion km; 14.8 billion mi) from Earth. It is the most distant human-made object from Earth. Starting in the mid-20th century probes and then human missions were sent into Earth orbit, and then on to
13231-413: The new Soyuz-2 rocket with a planned first launch in 2023. The final launch from Gagarin's Start took place 25 September 2019. Gagarin's Start failed to receive funding (in part due to Russian invasion of Ukraine ) to modernize it for the slightly larger Soyuz-2 rocket. In 2023, it was announced that the Russian and Kazakhstan authorities plan to deactivate the site as a space launch pad and turn it into
13362-476: The nominal mission. Pressurized helium from a 35-liter tank is used to force fuel into the engine. Trajectory corrections will be made using a set of eight 10 N thrusters, one attached to each corner of the spacecraft bus. The spacecraft configuration is optimized for a Soyuz/Fregat, and was fully compatible with a Delta II launch vehicle. Spacecraft power is provided by the solar panels which contain 11.42 square meters of silicon cells. The originally planned power
13493-431: The observations made by Mariner 10 in 1975 (Munsell, 2006b). A third mission to Mercury, scheduled to arrive in 2025, BepiColombo is to include two probes . BepiColombo is a joint mission between Japan and the European Space Agency . MESSENGER and BepiColombo are intended to gather complementary data to help scientists understand many of the mysteries discovered by Mariner 10's flybys . Flights to other planets within
13624-407: The orbital insertion showed that the orbiter had reached its first milestone at Mars. The orbit was later adjusted by four more main engine firings to the desired 259 km × 11,560 km near-polar (86 degree inclination) orbit with a period of 7.5 hours. Near periapsis (nearest to Mars) the top deck is pointed down towards the Martian surface and near apoapsis (farthest from Mars in its orbit)
13755-426: The planet's unique atmosphere and magnetosphere . Voyager 2 also examined its ring system and the moons of Uranus including all five of the previously known moons, while discovering an additional ten previously unknown moons. Images of Uranus proved to have a uniform appearance, with no evidence of the dramatic storms or atmospheric banding evident on Jupiter and Saturn. Great effort was required to even identify
13886-463: The probe intact on the surface of Mars. It was then determined that an error had prevented two of the spacecraft's four solar panels from deploying, blocking the spacecraft's communications. Beagle 2 was the first British and first European probe to achieve a landing on Mars. The scientific objectives of the Mars Express payload are to obtain global high-resolution photo-geology (10 m resolution), mineralogical mapping (100 m resolution) and mapping of
14017-591: The probe landing or entering orbit; such as in Pioneer and Voyager programs. The Galileo and Juno spacecraft are the only spacecraft to have entered the planet's orbit. As Jupiter is believed to have only a relatively small rocky core and no real solid surface, a landing mission is precluded. Reaching Jupiter from Earth requires a delta-v of 9.2 km/s, which is comparable to the 9.7 km/s delta-v needed to reach low Earth orbit. Fortunately, gravity assists through planetary flybys can be used to reduce
14148-410: The radio control system of the rocket required (at the time) receiving uninterrupted signals from ground stations hundreds of kilometres away. Additionally, the missile trajectory had to be away from populated areas. Also, it is advantageous to place space launch sites closer to the equator, as the surface of the Earth has higher rotational speed in such areas. Taking these constraints into consideration,
14279-428: The sole visit to the system as of 2024. The possibility of a Neptune Orbiter has been discussed, but no other missions have been given serious thought. Although the extremely uniform appearance of Uranus during Voyager 2 ' s visit in 1986 had led to expectations that Neptune would also have few visible atmospheric phenomena, the spacecraft found that Neptune had obvious banding, visible clouds, auroras , and even
14410-534: The source of a long-running dispute between the two countries. In an attempt to reduce its dependency on Baikonur, Russia built the Vostochny Cosmodrome in Amur Oblast . Baikonur has been a major part of Russia's contribution to the International Space Station (ISS), as it is the only spaceport from which Russian missions to the ISS are launched. It is primarily the border's position (but to
14541-436: The space exploration programs of the Soviet Union (later Russia), the United States, Europe, Japan and India. Dozens of robotic spacecraft , including orbiters , landers , and rovers , have been launched toward Mars since the 1960s. These missions were aimed at gathering data about current conditions and answering questions about the history of Mars. The questions raised by the scientific community are expected to not only give
14672-481: The spacecraft functioning including switching instruments on and off, assessing the spacecraft orientation in space and issuing commands to change it. Another key aspect of the Mars Express mission is its artificial intelligence tool (MEXAR2). The primary purpose of the AI tool is the scheduling of when to download various parts of the collected scientific data back to Earth, a process which used to take ground controllers
14803-415: The spacecraft points to Mars while acquiring science and then slews to Earth-pointing to downlink the data, although some instruments like Marsis or Radio Science might be operated while spacecraft is Earth-pointing. The Mars Express orbiter is a cube-shaped spacecraft with two solar panel wings extending from opposite sides. The launch mass of 1223 kg includes a main bus with 113 kg of payload,
14934-400: The spacecraft will be oriented properly to transmit back to Earth. The Beagle 2 lander objectives were to characterize the landing site geology, mineralogy, and geochemistry, the physical properties of the atmosphere and surface layers, collect data on Martian meteorology and climatology, and search for possible signatures of life on Mars . However, the landing attempt was unsuccessful and
15065-720: The surface of Venus using radar to pierce the obscuring atmosphere. Space exploration has been used as a tool to understand Earth as a celestial object. Orbital missions can provide data for Earth that can be difficult or impossible to obtain from a purely ground-based point of reference. For example, the existence of the Van Allen radiation belts was unknown until their discovery by the United States' first artificial satellite, Explorer 1 . These belts contain radiation trapped by Earth's magnetic fields, which currently renders construction of habitable space stations above 1000 km impractical. Following this early unexpected discovery,
15196-428: The surface, radar sounding of the subsurface structure down to the permafrost, precise determination of the atmospheric circulation and composition, and study of the interaction of the atmosphere with the interplanetary medium . Due to the valuable science return and the highly flexible mission profile, Mars Express has been granted several mission extensions. The latest was approved on March 7, 2023, consisting of
15327-456: The world as the launch site of Soviet and Russian space missions, from its outset in 1955 and until the collapse of the USSR in 1991 the primary purpose of this center was to test liquid-fueled ballistic missiles . The official (and secret) name of the center was State Test Range No. 5 or 5 GIK . It remained under the control of the Soviet and Russian Ministry of Defense until the second half of
15458-433: The year 2000. The other, Tiangong space station built by China, is now fully crewed and operational. Voyager 1 became the first human-made object to leave the Solar System into interstellar space on 25 August 2012. The probe passed the heliopause at 121 AU to enter interstellar space . The Apollo 13 flight passed the far side of the Moon at an altitude of 254 kilometers (158 miles; 137 nautical miles) above
15589-444: Was Vostok 1 ("East 1"), carrying the 27-year-old Russian cosmonaut , Yuri Gagarin , on 12 April 1961. The spacecraft completed one orbit around the globe, lasting about 1 hour and 48 minutes. Gagarin's flight resonated around the world; it was a demonstration of the advanced Soviet space program and it opened an entirely new era in space exploration: human spaceflight . The first artificial object to reach another celestial body
15720-401: Was Luna 2 reaching the Moon in 1959. The first soft landing on another celestial body was performed by Luna 9 landing on the Moon on 3 February 1966. Luna 10 became the first artificial satellite of the Moon, entering in a lunar orbit on 3 April 1966. The first crewed landing on another celestial body was performed by Apollo 11 on 20 July 1969, landing on the Moon. There have been
15851-630: Was actually founded on 2 June 1955, originally a test center for the world's first intercontinental ballistic missile (ICBM) , the R-7 Semyorka . NIIP-5 was soon expanded to include launch facilities for space flights. The site was selected by a commission led by General Vasily Voznyuk , influenced by Sergey Korolyov , the Chief Designer of the R-7 ICBM, and soon the man behind the Soviet space program. It had to be surrounded by plains, as
15982-528: Was delayed out of fear that the deployment could damage the spacecraft through a whiplash effect. Due to the delay it was decided to split the four-week commissioning phase in two parts, with two weeks running up to July 4 and another two weeks in December 2005. The deployment of the booms was a critical and highly complex task requiring effective inter-agency cooperation ESA, NASA, industry and public universities. Nominal science observations began during July 2005. Operations for Mars Express are carried out by
16113-428: Was mostly switched off during the cruise phase, with the exception of some intermediate check-outs. Although it was originally meant to be a "quiet cruise" phase, It soon became obvious that this "cruise" would be indeed very busy. There were star tracker problems, a power wiring problem, extra manoeuvres, and on October 28, the spacecraft was hit by one of the largest solar flares ever recorded. The Beagle 2 lander
16244-457: Was raised to city status in 1966 and named Leninsk ( Russian : Ленинск ). The American U-2 high-altitude reconnaissance plane found and photographed the Tyuratam missile test range for the first time on 5 August 1957. In April of 1975, in preparation for the Apollo-Soyuz Test Project , the first NASA astronauts were allowed to tour the cosmodrome. Upon their return to the United States,
16375-504: Was released on December 19, 2003, at 8:31 UTC (9:31 CET) on a ballistic cruise towards the surface. It entered Mars' atmosphere on the morning of December 25. Landing was expected to occur at about 02:45 UT on December 25 (9:45 p.m. EST December 24). However, after repeated attempts to contact the lander failed using the Mars Express craft and the NASA Mars Odyssey orbiter, it was declared lost on February 6, 2004, by
16506-479: Was replaced with the Artemis Program , of which the first mission occurred in 2022 , with a planned crewed landing to occur with Artemis III . The rise of the private space industry also began in earnest in the 2010s with the development of private launch vehicles, space capsules and satellite manufacturing. In the 2000s, China initiated a successful crewed spaceflight program while India launched
16637-480: Was the first Russian-launched probe to successfully make it out of low Earth orbit since the Soviet Union fell. The Near Earth commissioning phase extended from the separation of the spacecraft from the launcher upper stage until the completion of the initial check out of the orbiter and payload. It included the solar array deployment, the initial attitude acquisition, the declamping of the Beagle-2 spin-up mechanism,
16768-399: Was the first celestial body to be the object of space exploration. It holds the distinctions of being the first remote celestial object to be flown by, orbited, and landed upon by spacecraft, and the only remote celestial object ever to be visited by humans. In 1959, the Soviets obtained the first images of the far side of the Moon , never previously visible to humans. The U.S. exploration of
16899-481: Was the first to return images from the surface of another planet, returning images from Venus. In 1971, the Mars 3 mission achieved the first soft landing on Mars returning data for almost 20 seconds. Later, much longer duration surface missions were achieved, including over six years of Mars surface operation by Viking 1 from 1975 to 1982 and over two hours of transmission from the surface of Venus by Venera 13 in 1982,
17030-541: Was to be 660 W at 1.5 AU but a faulty connection has reduced the amount of power available by 30%, to about 460 W. This loss of power does significantly impact the science return of the mission. Power is stored in three lithium-ion batteries with a total capacity of 64.8 Ah for use during eclipses. The power is fully regulated at 28 V , and the Terma power module (also used in Rosetta )
17161-484: Was to begin exploration of the Phobos and Martian circumterrestrial orbit, and study whether the moons of Mars, or at least Phobos, could be a "trans-shipment point" for spaceships traveling to Mars. Until the advent of space travel , objects in the asteroid belt were merely pinpricks of light in even the largest telescopes, their shapes and terrain remaining a mystery. Several asteroids have now been visited by probes,
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