Greek astronomy - Wikipedia, the free encyclopedia
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Greek astronomy is the astronomy of those who wrote in the Greek language in classical antiquity; for example, Aristarchus of Samos Greek astronomer/mathematician and his heliocentric model of the so...
en.wikipedia.org/wiki/Greek_astronomy
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Britannica online encyclopedia article on Aristarchus of Samos (Greek astronomer), c. 310 bcec. ... Greek astronomer who maintained that Earth rotates on its axis and revolves around the Sun. On this ground, ... In the 16th century Aristarchus was an inspiration for Polish astronomer Nicolaus Copernicus’s work.
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www.britannica.com/EBchecked/topic/34377/Aristarchus-of...
www.britannica.com/EBchecked/topic/34377/Aristarchus-of-Samos
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Another early device was the hemispherical sundial, or hemicycle, attributed to the Greek astronomer Aristarchus of Samos about 280 bc. Made of stone or wood, the instrument consisted of a cubical block into which a hemispherical opening was cut;
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www.britannica.com/EBchecked/topic/34377/Aristarchus-of...
www.britannica.com/EBchecked/topic/34377/Aristarchus-of-Samos/34377rellinks/Related-Links
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Aristarchus of Samos Greek astronomer ( c. 320 bc – c. 250 bc ) Little is known of the life of Aristarchus, but Archimedes reported that Aristarchus ... Aristarchus of Samos (Greek astronomer)
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www.answers.com/topic/aristarchus-of-samos
www.answers.com/topic/aristarchus-of-samos
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Aristarchus of Samos The Greek astronomer Aristarchus of Samos (ca. 310-230 B.C.) hypothesized that the earth revolves yearly about the sun and daily ... The Greek astronomer Aristarchus of Samos (ca. 310-230 B.C.) hypothesized that the earth revolves yearly about the sun and daily rotates about its own axis.
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www.answers.com/topic/aristarchus
www.answers.com/topic/aristarchus
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Aristarchus, Greek astronomer, 310-230 B.C. He pointed out, in 260 B.C., that the motions of the planets, sun, moon and stars could be explained if it were assumed that all the planets, including the Earth, orbited about the sun. Although his original writings are lost to us, the main part of his ideas were referred to...
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www.windows.ucar.edu/people/ancient_epoch/aristarchus.h...
www.windows.ucar.edu/people/ancient_epoch/aristarchus.html
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In the Greek city states months were added haphazardly as needed and no consistent system was ever developed. The most sophisticated system of keeping the calendar synchronized with the motions of both the Sun and Moon was developed by the Babylonians (and others ... Julius Caesar, advised by the astronomer Sosigenes,
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ircamera.as.arizona.edu/NatSci102/text/calendar.htm
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I THINK your questioner has his Greeks in a twist. Aristarchus of Samos is now best known for his anticipation of Copernicus' heliocentric (sun-centred) cosmology rather than for measuring the circumference of the earth, though he did estimate the distances to, and sizes of, the sun and moon - alas, rather inaccurately!
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www.guardian.co.uk/notesandqueries/query/0,5753,-1908,0...
www.guardian.co.uk/notesandqueries/query/0,5753,-1908,00.html
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c 270 BC; Greek astronomer Aristarchus of Samos calculates the size of the Moon and its distance from Earth ... Aristarchus was also the first to maintain that the Earth revolved around the Sun. He used geometry to calculate the sizes and distances of the Sun and the Moon, but false assumptions meant his results were wide...
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www.channel4.com/science/microsites/M/moon/270bc.html
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