60-506: The Christian Topography ( Ancient Greek : Χριστιανικὴ Τοπογραφία , Latin : Topographia Christiana ) is a 6th-century work, one of the earliest essays in scientific geography written by a Christian author. It originally consisted of five books written by Cosmas Indicopleustes and expanded to ten and eventually to twelve books at around 550 AD. Cosmas Indicopleustes, the author of the Christian Topography , put forward
120-543: A pitch accent . In Modern Greek, all vowels and consonants are short. Many vowels and diphthongs once pronounced distinctly are pronounced as /i/ ( iotacism ). Some of the stops and glides in diphthongs have become fricatives , and the pitch accent has changed to a stress accent . Many of the changes took place in the Koine Greek period. The writing system of Modern Greek, however, does not reflect all pronunciation changes. The examples below represent Attic Greek in
180-404: A "historical science" because "when we look out in space, we look back in time" due to the finite nature of the speed of light . Physics and astrophysics have played central roles in shaping our understanding of the universe through scientific observation and experiment. Physical cosmology was shaped through both mathematics and observation in an analysis of the whole universe. The universe
240-452: A flat earth. This claim...is totally false. Cosmas is, in fact, the only medieval European known to have defended a flat earth cosmology, whereas it is safe to assume that all educated Western Europeans (and almost one hundred percent of educated Byzantines), as well as sailors and travellers, believed in the earth's sphericity." One of the contemporaries of Cosmas, John Philoponus , wrote a refutation of his work in his De opificio mundi ( On
300-477: A lack of contemporaneous evidence. Several theories exist about what Hellenic dialect groups may have existed between the divergence of early Greek-like speech from the common Proto-Indo-European language and the Classical period. They have the same general outline but differ in some of the detail. The only attested dialect from this period is Mycenaean Greek , but its relationship to the historical dialects and
360-461: A largely speculative science into a predictive science with precise agreement between theory and observation. These advances include observations of the microwave background from the COBE , WMAP and Planck satellites, large new galaxy redshift surveys including 2dfGRS and SDSS , and observations of distant supernovae and gravitational lensing . These observations matched the predictions of
420-419: A lesser degree. Pamphylian Greek , spoken in a small area on the southwestern coast of Anatolia and little preserved in inscriptions, may be either a fifth major dialect group, or it is Mycenaean Greek overlaid by Doric, with a non-Greek native influence. Regarding the speech of the ancient Macedonians diverse theories have been put forward, but the epigraphic activity and the archaeological discoveries in
480-503: A physical mechanism for Kepler's laws and also allowed the anomalies in previous systems, caused by gravitational interaction between the planets, to be resolved. A fundamental difference between Newton's cosmology and those preceding it was the Copernican principle —that the bodies on Earth obey the same physical laws as all celestial bodies. This was a crucial philosophical advance in physical cosmology. Modern scientific cosmology
540-550: A prefix /e-/, called the augment . This was probably originally a separate word, meaning something like "then", added because tenses in PIE had primarily aspectual meaning. The augment is added to the indicative of the aorist, imperfect, and pluperfect, but not to any of the other forms of the aorist (no other forms of the imperfect and pluperfect exist). The two kinds of augment in Greek are syllabic and quantitative. The syllabic augment
600-608: A separate historical stage, though its earliest form closely resembles Attic Greek , and its latest form approaches Medieval Greek . There were several regional dialects of Ancient Greek; Attic Greek developed into Koine. Ancient Greek was a pluricentric language , divided into many dialects. The main dialect groups are Attic and Ionic , Aeolic , Arcadocypriot , and Doric , many of them with several subdivisions. Some dialects are found in standardized literary forms in literature , while others are attested only in inscriptions. There are also several historical forms. Homeric Greek
660-630: A standard subject of study in educational institutions of the Western world since the Renaissance . This article primarily contains information about the Epic and Classical periods of the language, which are the best-attested periods and considered most typical of Ancient Greek. From the Hellenistic period ( c. 300 BC ), Ancient Greek was followed by Koine Greek , which is regarded as
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#1732780419150720-612: A system created by Mircea Eliade and his colleague Charles Long. Cosmology deals with the world as the totality of space, time and all phenomena. Historically, it has had quite a broad scope, and in many cases was found in religion. Some questions about the Universe are beyond the scope of scientific inquiry but may still be interrogated through appeals to other philosophical approaches like dialectics . Some questions that are included in extra-scientific endeavors may include: Charles Kahn, an important historian of philosophy, attributed
780-510: A vowel or /n s r/ ; final stops were lost, as in γάλα "milk", compared with γάλακτος "of milk" (genitive). Ancient Greek of the classical period also differed in both the inventory and distribution of original PIE phonemes due to numerous sound changes, notably the following: The pronunciation of Ancient Greek was very different from that of Modern Greek . Ancient Greek had long and short vowels ; many diphthongs ; double and single consonants; voiced, voiceless, and aspirated stops ; and
840-715: Is a branch of physics and metaphysics dealing with the nature of the universe , the cosmos . The term cosmology was first used in English in 1656 in Thomas Blount 's Glossographia , and in 1731 taken up in Latin by German philosopher Christian Wolff in Cosmologia Generalis . Religious or mythological cosmology is a body of beliefs based on mythological , religious , and esoteric literature and traditions of creation myths and eschatology . In
900-570: Is a literary form of Archaic Greek (derived primarily from Ionic and Aeolic) used in the epic poems , the Iliad and the Odyssey , and in later poems by other authors. Homeric Greek had significant differences in grammar and pronunciation from Classical Attic and other Classical-era dialects. The origins, early form and development of the Hellenic language family are not well understood because of
960-614: Is a sub-branch of astronomy that is concerned with the universe as a whole. Modern physical cosmology is dominated by the Big Bang Theory which attempts to bring together observational astronomy and particle physics ; more specifically, a standard parameterization of the Big Bang with dark matter and dark energy , known as the Lambda-CDM model. Theoretical astrophysicist David N. Spergel has described cosmology as
1020-418: Is added to stems beginning with consonants, and simply prefixes e (stems beginning with r , however, add er ). The quantitative augment is added to stems beginning with vowels, and involves lengthening the vowel: Some verbs augment irregularly; the most common variation is e → ei . The irregularity can be explained diachronically by the loss of s between vowels, or that of the letter w , which affected
1080-666: Is called 'East Greek'. Arcadocypriot apparently descended more closely from the Mycenaean Greek of the Bronze Age. Boeotian Greek had come under a strong Northwest Greek influence, and can in some respects be considered a transitional dialect, as exemplified in the poems of the Boeotian poet Pindar who wrote in Doric with a small Aeolic admixture. Thessalian likewise had come under Northwest Greek influence, though to
1140-448: Is considered by some linguists to have been closely related to Greek . Among Indo-European branches with living descendants, Greek is often argued to have the closest genetic ties with Armenian (see also Graeco-Armenian ) and Indo-Iranian languages (see Graeco-Aryan ). Ancient Greek differs from Proto-Indo-European (PIE) and other Indo-European languages in certain ways. In phonotactics , ancient Greek words could end only in
1200-474: Is generally understood to have begun with the Big Bang , followed almost instantaneously by cosmic inflation , an expansion of space from which the universe is thought to have emerged 13.799 ± 0.021 billion years ago. Cosmogony studies the origin of the universe, and cosmography maps the features of the universe. In Diderot 's Encyclopédie , cosmology is broken down into uranology (the science of
1260-556: Is often roughly divided into the following periods: Mycenaean Greek ( c. 1400–1200 BC ), Dark Ages ( c. 1200–800 BC ), the Archaic or Epic period ( c. 800–500 BC ), and the Classical period ( c. 500–300 BC ). Ancient Greek was the language of Homer and of fifth-century Athenian historians, playwrights, and philosophers . It has contributed many words to English vocabulary and has been
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#17327804191501320-550: Is widely considered to have begun in 1917 with Albert Einstein 's publication of his final modification of general relativity in the paper "Cosmological Considerations of the General Theory of Relativity" (although this paper was not widely available outside of Germany until the end of World War I ). General relativity prompted cosmogonists such as Willem de Sitter , Karl Schwarzschild , and Arthur Eddington to explore its astronomical ramifications, which enhanced
1380-759: The Greek region of Macedonia during the last decades has brought to light documents, among which the first texts written in Macedonian , such as the Pella curse tablet , as Hatzopoulos and other scholars note. Based on the conclusions drawn by several studies and findings such as Pella curse tablet , Emilio Crespo and other scholars suggest that ancient Macedonian was a Northwest Doric dialect , which shares isoglosses with its neighboring Thessalian dialects spoken in northeastern Thessaly . Some have also suggested an Aeolic Greek classification. The Lesbian dialect
1440-489: The cosmic inflation theory, a modified Big Bang theory, and the specific version known as the Lambda-CDM model. This has led many to refer to modern times as the "golden age of cosmology". In 2014, the BICEP2 collaboration claimed that they had detected the imprint of gravitational waves in the cosmic microwave background . However, this result was later found to be spurious: the supposed evidence of gravitational waves
1500-501: The present , future , and imperfect are imperfective in aspect; the aorist , present perfect , pluperfect and future perfect are perfective in aspect. Most tenses display all four moods and three voices, although there is no future subjunctive or imperative. Also, there is no imperfect subjunctive, optative or imperative. The infinitives and participles correspond to the finite combinations of tense, aspect, and voice. The indicative of past tenses adds (conceptually, at least)
1560-641: The 11th century, one from the Saint Catherine's Monastery and the other probably originally from the Iviron monastery of Mount Athos , contain twelve books and comment on the prophets in the same order that Theodore of Mopsuestia preferred rather than in Septuagint order as in the copy from the Vatican Library. The eleventh and twelfth books may originally have been parts of other works by
1620-1031: The 5th century BC. Ancient pronunciation cannot be reconstructed with certainty, but Greek from the period is well documented, and there is little disagreement among linguists as to the general nature of the sounds that the letters represent. /oː/ raised to [uː] , probably by the 4th century BC. Greek, like all of the older Indo-European languages , is highly inflected. It is highly archaic in its preservation of Proto-Indo-European forms. In ancient Greek, nouns (including proper nouns) have five cases ( nominative , genitive , dative , accusative , and vocative ), three genders ( masculine , feminine , and neuter ), and three numbers (singular, dual , and plural ). Verbs have four moods ( indicative , imperative , subjunctive , and optative ) and three voices (active, middle, and passive ), as well as three persons (first, second, and third) and various other forms. Verbs are conjugated through seven combinations of tenses and aspect (generally simply called "tenses"):
1680-492: The 9th century AD. Photius condemns the style and syntax of the text as well as the honesty of the author. More recent authors tend to agree with Photius on the stylistic points, but to find the work generally reliable for geographical and historical references. Edward Gibbon , for example, said "the nonsense of the Monk was, nevertheless, mingled with the practical knowledge of the traveller" and used it in writing The History of
1740-495: The Archaic period of ancient Greek (see Homeric Greek for more details): Μῆνιν ἄειδε, θεά, Πηληϊάδεω Ἀχιλῆος οὐλομένην, ἣ μυρί' Ἀχαιοῖς ἄλγε' ἔθηκε, πολλὰς δ' ἰφθίμους ψυχὰς Ἄϊδι προΐαψεν ἡρώων, αὐτοὺς δὲ ἑλώρια τεῦχε κύνεσσιν οἰωνοῖσί τε πᾶσι· Διὸς δ' ἐτελείετο βουλή· ἐξ οὗ δὴ τὰ πρῶτα διαστήτην ἐρίσαντε Ἀτρεΐδης τε ἄναξ ἀνδρῶν καὶ δῖος Ἀχιλλεύς. The beginning of Apology by Plato exemplifies Attic Greek from
1800-528: The Classical period of ancient Greek. (The second line is the IPA , the third is transliterated into the Latin alphabet using a modern version of the Erasmian scheme .) Ὅτι [hóti Hóti μὲν men mèn ὑμεῖς, hyːmêːs hūmeîs, Cosmology Cosmology (from Ancient Greek κόσμος (cosmos) 'the universe, the world' and λογία (logia) 'study of')
1860-709: The Creation of the World ) . This article uses text taken from the Preface to the Online English translation of the Christian Topography , which is in the public domain. Ancient Greek language Ancient Greek ( Ἑλληνῐκή , Hellēnikḗ ; [hellɛːnikɛ́ː] ) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It
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1920-559: The Decline and Fall of the Roman Empire . The Topography is often erroneously cited as evidence that Christianity introduced the idea of the flat-Earth into the world, and brought in the age of ignorance . The latter pages of his work are devoted to rebutting the criticism of his fellow monks. He repeatedly denounces "those reprobate Christians who, ..., prefer, through their perverse folly or downright wickedness, to adopt
1980-682: The King of Axum was preparing a 522 or 525 AD military expedition to attack Jewish Arabs in Yemen . He recorded now-vanished inscriptions such as the Monumentum Adulitanum (which he mistakenly attributed to Ptolemy III Euergetes ). Three nearly complete manuscripts are known to exist. The earliest and best is from the 9th century, and is in the Vatican Library . This text has only ten books. Two closely related manuscripts of
2040-679: The ability of astronomers to study very distant objects. Physicists began changing the assumption that the universe was static and unchanging. In 1922, Alexander Friedmann introduced the idea of an expanding universe that contained moving matter. In parallel to this dynamic approach to cosmology, one long-standing debate about the structure of the cosmos was coming to a climax – the Great Debate (1917 to 1922) – with early cosmologists such as Heber Curtis and Ernst Öpik determining that some nebulae seen in telescopes were separate galaxies far distant from our own. While Heber Curtis argued for
2100-550: The aorist. Following Homer 's practice, the augment is sometimes not made in poetry , especially epic poetry. The augment sometimes substitutes for reduplication; see below. Almost all forms of the perfect, pluperfect, and future perfect reduplicate the initial syllable of the verb stem. (A few irregular forms of perfect do not reduplicate, whereas a handful of irregular aorists reduplicate.) The three types of reduplication are: Irregular duplication can be understood diachronically. For example, lambanō (root lab ) has
2160-419: The augment when it was word-initial. In verbs with a preposition as a prefix, the augment is placed not at the start of the word, but between the preposition and the original verb. For example, προσ(-)βάλλω (I attack) goes to προσ έ βαλoν in the aorist. However compound verbs consisting of a prefix that is not a preposition retain the augment at the start of the word: αὐτο(-)μολῶ goes to ηὐ τομόλησα in
2220-479: The book, Christian Topography provides insight into the geographical knowledge of Byzantium, it is also the only Greek work with both text and illustrations surviving from the 6th century. "Indicopleustes" means "The one who has sailed to India". While it is known from classical literature that there had been trade between the Roman Empire and India , Cosmas was one of the individuals who had actually made
2280-438: The center of Greek scholarship, this division of people and language is quite similar to the results of modern archaeological-linguistic investigation. One standard formulation for the dialects is: West vs. non-West Greek is the strongest-marked and earliest division, with non-West in subsets of Ionic-Attic (or Attic-Ionic) and Aeolic vs. Arcadocypriot, or Aeolic and Arcado-Cypriot vs. Ionic-Attic. Often non-West
2340-615: The dialect of Sparta ), and Northern Peloponnesus Doric (including Corinthian ). All the groups were represented by colonies beyond Greece proper as well, and these colonies generally developed local characteristics, often under the influence of settlers or neighbors speaking different Greek dialects. After the conquests of Alexander the Great in the late 4th century BC, a new international dialect known as Koine or Common Greek developed, largely based on Attic Greek , but with influence from other dialects. This dialect slowly replaced most of
2400-463: The heavens), aerology (the science of the air), geology (the science of the continents), and hydrology (the science of waters). Metaphysical cosmology has also been described as the placing of humans in the universe in relationship to all other entities. This is exemplified by Marcus Aurelius 's observation that a man's place in that relationship: "He who does not know what the world is does not know where he is, and he who does not know for what purpose
2460-561: The historical Dorians . The invasion is known to have displaced population to the later Attic-Ionic regions, who regarded themselves as descendants of the population displaced by or contending with the Dorians. The Greeks of this period believed there were three major divisions of all Greek people – Dorians, Aeolians, and Ionians (including Athenians), each with their own defining and distinctive dialects. Allowing for their oversight of Arcadian, an obscure mountain dialect, and Cypriot, far from
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2520-476: The historical circumstances of the times imply that the overall groups already existed in some form. Scholars assume that major Ancient Greek period dialect groups developed not later than 1120 BC, at the time of the Dorian invasions —and that their first appearances as precise alphabetic writing began in the 8th century BC. The invasion would not be "Dorian" unless the invaders had some cultural relationship to
2580-515: The idea that spiral nebulae were star systems in their own right as island universes, Mount Wilson astronomer Harlow Shapley championed the model of a cosmos made up of the Milky Way star system only. This difference of ideas came to a climax with the organization of the Great Debate on 26 April 1920 at the meeting of the U.S. National Academy of Sciences in Washington, D.C. The debate
2640-536: The idea that the world is flat . Originally written in Greek with illustrations and maps, his view of the flatness of the world may have been influenced by some Jewish and Eastern contemporaries. While most of the Christians of the same period maintained that the Earth was a sphere, the work advances the idea that the world is flat , and that the heavens form the shape of a box with a curved lid, and especially attacks
2700-415: The idea that the heavens were spherical and in motion, now known as the geocentric model of the universe. The author cites passages from the Christians' scriptures which he interprets originally in order to support his thesis, and attempts to argue down the idea of a spherical Earth by stigmatizing it as " pagan ". An early surviving reference to the work is by Patriarch Photios I of Constantinople in
2760-563: The journey. Indeed, we learn from his book that he had travelled over much of the Red Sea coast, and as far as modern Sri Lanka . He described and sketched some of what he saw in his Topography . Some of these have been copied into the existing manuscripts. When not expounding his cosmology , Cosmas proves to be an interesting and reliable guide, providing a window into a world that has since disappeared. He happened to be in Ethiopia when
2820-596: The merely negative dogmas of the Latin Fathers; and no great support was given to the constructive tabernacle system of the Indian merchant. ... Yet, after all, the Christian Topography. must always be remarkable. It is one of the earliest important essays in scientific or strictly theoretic geography, within the Christian aera [ sic ], written by a Christian thinker. Besides the cosmological elements of
2880-480: The miserable Pagan belief that earth and heaven are spherical, and that there are Antipodes on whom the rain must fall up ." Raymond Beazley , in the first volume of The Dawn of Modern Geography (1897), said The place of Cosmas in history has been sometimes misconceived. His work is not, as it has been called (in the earlier years of this century), the chief authority of the Middle Ages in geography. For, on
2940-508: The older dialects, although the Doric dialect has survived in the Tsakonian language , which is spoken in the region of modern Sparta. Doric has also passed down its aorist terminations into most verbs of Demotic Greek . By about the 6th century AD, the Koine had slowly metamorphosed into Medieval Greek . Phrygian is an extinct Indo-European language of West and Central Anatolia , which
3000-487: The perfect stem eilēpha (not * lelēpha ) because it was originally slambanō , with perfect seslēpha , becoming eilēpha through compensatory lengthening. Reduplication is also visible in the present tense stems of certain verbs. These stems add a syllable consisting of the root's initial consonant followed by i . A nasal stop appears after the reduplication in some verbs. The earliest extant examples of ancient Greek writing ( c. 1450 BC ) are in
3060-469: The same author. Portions of book five appear more frequently as a marginal commentary upon the psalms , and it is the name given to the author in these commentaries that is now used. David C. Lindberg asserts: "Cosmas was not particularly influential in Byzantium, but he is important for us because he has been commonly used to buttress the claim that all (or most) medieval people believed they lived on
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#17327804191503120-730: The science of astronomy , cosmology is concerned with the study of the chronology of the universe . Physical cosmology is the study of the observable universe 's origin, its large-scale structures and dynamics, and the ultimate fate of the universe , including the laws of science that govern these areas. It is investigated by scientists, including astronomers and physicists , as well as philosophers , such as metaphysicians , philosophers of physics , and philosophers of space and time . Because of this shared scope with philosophy , theories in physical cosmology may include both scientific and non-scientific propositions and may depend upon assumptions that cannot be tested . Physical cosmology
3180-517: The syllabic script Linear B . Beginning in the 8th century BC, however, the Greek alphabet became standard, albeit with some variation among dialects. Early texts are written in boustrophedon style, but left-to-right became standard during the classic period. Modern editions of ancient Greek texts are usually written with accents and breathing marks , interword spacing , modern punctuation , and sometimes mixed case , but these were all introduced later. The beginning of Homer 's Iliad exemplifies
3240-454: The whole, its influence is only slightly, and occasionally, traceable. Its author stated his position as an article of Christian faith, but even in those times there was anything but a general agreement with his positive conclusions. . . The subtleties of Cosmas were left to the Greeks, for the most part; the western geographers who pursued his line of thought were usually content to stop short at
3300-536: The world exists, does not know who he is, nor what the world is." Physical cosmology is the branch of physics and astrophysics that deals with the study of the physical origins and evolution of the universe. It also includes the study of the nature of the universe on a large scale. In its earliest form, it was what is now known as " celestial mechanics ," the study of the heavens . Greek philosophers Aristarchus of Samos , Aristotle , and Ptolemy proposed different cosmological theories. The geocentric Ptolemaic system
3360-480: Was Aeolic. For example, fragments of the works of the poet Sappho from the island of Lesbos are in Aeolian. Most of the dialect sub-groups listed above had further subdivisions, generally equivalent to a city-state and its surrounding territory, or to an island. Doric notably had several intermediate divisions as well, into Island Doric (including Cretan Doric ), Southern Peloponnesus Doric (including Laconian ,
3420-659: Was in fact due to interstellar dust. On 1 December 2014, at the Planck 2014 meeting in Ferrara , Italy , astronomers reported that the universe is 13.8 billion years old and composed of 4.9% atomic matter , 26.6% dark matter and 68.5% dark energy . Religious or mythological cosmology is a body of beliefs based on mythological , religious , and esoteric literature and traditions of creation and eschatology . Creation myths are found in most religions, and are typically split into five different classifications, based on
3480-587: Was proposed by the Belgian priest Georges Lemaître in 1927 which was subsequently corroborated by Edwin Hubble 's discovery of the redshift in 1929 and later by the discovery of the cosmic microwave background radiation by Arno Penzias and Robert Woodrow Wilson in 1964. These findings were a first step to rule out some of many alternative cosmologies . Since around 1990, several dramatic advances in observational cosmology have transformed cosmology from
3540-540: Was resolved when Edwin Hubble detected Cepheid Variables in the Andromeda Galaxy in 1923 and 1924. Their distance established spiral nebulae well beyond the edge of the Milky Way. Subsequent modelling of the universe explored the possibility that the cosmological constant , introduced by Einstein in his 1917 paper, may result in an expanding universe , depending on its value. Thus the Big Bang model
3600-402: Was the prevailing theory until the 16th century when Nicolaus Copernicus , and subsequently Johannes Kepler and Galileo Galilei , proposed a heliocentric system. This is one of the most famous examples of epistemological rupture in physical cosmology. Isaac Newton 's Principia Mathematica , published in 1687, was the first description of the law of universal gravitation . It provided
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