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ARISTARCHUS
ARISTARCHUS
Samos, Grecia (//310 BC - //ca. 230 BC)
Aristarchus was a Greek astronomer and mathematician, born on the island of Samos, in Greece. He was the first person to present an explicit argument for a heliocentric model of the solar system, placing the Sun, not the Earth, at the center of the known universe (hence he is sometimes known as the "Greek Copernicus").
 

Enjoy these insightful and educational video clips drawn from over 70 hours of interviews with the world's leading figures in astronomy, shot during the filming of 400 Years of the Telescope.

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Geoff Chester

Establishment of the US Naval Observatory
Geoff Chester - US Naval Observatory

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Geoff Chester

Discovery of Phobos and Deimos
Geoff Chester - US Naval Observatory

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Geoff Chester

Timekeeping at the US Naval Observatory
Geoff Chester - US Naval Observatory

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Geoff Chester

Use of the US Naval Observatory
Geoff Chester - US Naval Observatory

Transcript in progress.

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Chris Corbally

Aristotle to Galileo: changing views of physics
Chris Corbally - Vatican Observatory

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