Hipparchus

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Who was Arya Bhata? Astronomer and Mathematician

By |2018-04-23T14:43:46+00:00July 21st, 2017|India, Religion|

Nalanda University, Patna, India Arya Bhata was born about 476 AD in India. He probably came from central India, though nobody knows for sure. When Arya Bhata was a teenager, he left his hometown. He traveled to Kusumapura (modern Patna) in north-eastern India, on the banks of the Ganges river, to study at Nalanda university. At this [...]

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 [...]

Who was Hipparchus? Greek astronomy

By |2018-04-23T14:14:54+00:00July 18th, 2017|Greeks, History, Science|

Antikythera mechanism: a clockwork machine to calculate how the earth and the sun move around Hipparchus was a Greek astronomer and mathematician. He used trigonometry to calculate how far away the moon was from the earth. And he worked on the problem of whether the earth went around the sun or the sun went around the earth. Hipparchus was born about 190 BC in Nicaea (now in Turkey), [...]