Anaxagoras

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History of astronomy – Science and space

By |2018-05-18T08:57:38+00:00September 5th, 2017|Science|

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 people do today. That's because they lived mainly outside, without electric lights blocking out the sky, and they saw every night how the moon and [...]

Who was Euclid? History of Geometry

By |2018-04-23T14:03:16+00:00July 18th, 2017|Africa, Egypt, Science|

An Egyptian papyrus from about 100 AD which is a piece of one of Euclid's books Nobody knows much about Euclid's life anymore - it is all forgotten. We only know that he worked at the University of Alexandria, in Egypt, for a while. There are no pictures of him. We can't even be sure [...]

Who was Anaxagoras? Greek scientist

By |2018-04-23T14:05:11+00:00July 18th, 2017|Greeks, Science|

A map showing Clazomenae Like Thales before him, Anaxagoras was born in what's now Turkey. Anaxagoras was born around 500 BC in a city called Clazomenae, in the Persian Empire. When he was a child, Clazomenae participated in the Ionian Revolt and soon became part of the Athenian Empire. Anaxagoras seems to have been born into a rich family, and he [...]

The sun in Greek astronomy

By |2018-04-23T14:13:14+00:00July 18th, 2017|Greeks, Science|

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 up in the sky, and then in the evening he drove back down again, and that was the sunset. At night the horses rested under [...]

The moon in Greek astronomy

By |2018-04-23T13:55:42+00:00July 18th, 2017|Greeks, History, Science|

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 man and the sun as a woman, the Greeks reversed that and thought of the moon as a woman. The moon in ancient [...]

Ancient Greek astronomy

By |2018-04-23T14:17:22+00:00July 18th, 2017|Greeks, Science|

Eclipse of the sun The art of astrology, the study of the stars in order to predict future events, and to interpret people's characters, was already very advanced before the Greeks began to interest themselves in the stars. The Egyptians and especially the Mesopotamians had done a lot of scientific observations and had named the constellations of stars, and [...]