Logic and the scientific method
An eclipse of the moon. You can see the curved shadow of the Earth. Logic tells you the earth is round. Making predictions Once people have seen that something happens [...]
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09, 2017
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09, 2017
History of astronomy – Science and space
A starry sky with the Milky Way galaxy(thanks to Bernd Nies) Early astronomy The very earliest people, as early as six million years ago, knew much more about the moon and the planets and the stars than most [...]
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08, 2017
Renaissance Science in Europe
Copernicus, a Renaissance astronomer Starting in the 1200s AD, as Europe got richer, great universities got started there. In the later Middle Ages, West Asia and India suffered from the Mongol invasions. West Asian people were too poor to [...]
18
07, 2017
Who was Eratosthenes? Astronomy and math
Eratosthenes of Cyrene went to school here! A classroom at the University of Alexandria (al-Ahram 2004). Who was Eratosthenes of Cyrene? Eratosthenes of Cyrene was born about 276 BC. He was [...]
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07, 2017
Who was Aristarchus of Samos?
A copy of Aristarchus of Samos' work on parchment from Constantinople, about 950 AD. It shows the relative sizes of the sun, the Earth, and the moon Aristarchus of Samos [...]
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07, 2017
Who was Archimedes? Eureka!
Archimedes was from Syracuse, Sicily. Here you see it with Mount Etna in the background When did Archimedes live? Archimedes was born about 287 BC, so he was a little younger [...]
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07, 2017
Ancient Greek science – math, astronomy, medicine
Ancient Greek science: Greek doctor letting blood out of a patient because he believes in the four humors When did Greek science get started? By about 600 BC, ancient Greek people were getting [...]
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07, 2017
The sun in Greek astronomy
The sun at sunset: The sun in Greek astronomy At first the Greeks imagined that the sun was the god Helios, or Apollo, driving his chariot around and around the earth. In the morning he began driving [...]
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07, 2017
The moon in Greek astronomy
The moon in ancient Greece - A photograph of the moon from space The goddess Artemis Early Greeks thought of the moon as the goddess Artemis. Where the Egyptians had thought of the moon as a [...]
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07, 2017
Ancient Greek astronomy
Greek astronomy: Eclipse of the sun Astronomy before the Greeks The art of astronomy was already very advanced before the Greeks began to interest themselves in the stars. The Egyptians and especially [...]
