astronomy

15 09, 2017

West Asian science – Mesopotamia and Iran

By |2019-09-04T05:49:39-07:00September 15th, 2017|West Asia|Comments Off on West Asian science – Mesopotamia and Iran

The constellation Orion What did Mesopotamians invent? From the Stone Age through the Islamic empires, great scientific discoveries have streamed out of West Asia. West Asia is one of the places where farming got started, [...]

9 09, 2017

Aztec gods and rituals – Central American religion

By |2019-02-07T06:27:10-08:00September 9th, 2017|Central America, Religion|Comments Off on Aztec gods and rituals – Central American religion

The Aztec god of seeds, Xipe Totec (ca 1500 AD) Who were the Aztec gods? Aztec people were polytheistic - they had many gods. That's the same as like the people of China, India, or Africa at [...]

9 09, 2017

Aztec language, writing, and literature

By |2019-02-07T06:49:29-08:00September 9th, 2017|Central America, Literature|Comments Off on Aztec language, writing, and literature

An Aztec book, or codex (ca 1500 AD) Aztec writing and the Maya The Aztec system of writing was very much like the Maya system. Probably the Aztec people learned how to write [...]

5 09, 2017

History of astronomy – Science and space

By |2019-02-04T15:14:58-08:00September 5th, 2017|Science|Comments Off on 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 [...]

4 09, 2017

Ptolemy – Roman astronomy – history of science

By |2018-04-11T09:22:19-07:00September 4th, 2017|Romans, Science|Comments Off on Ptolemy – Roman astronomy – history of science

A copy of Ptolemy's map of the world Ptolemy was born in Egypt in about 90 AD, when the Romans were ruling Egypt. He was a Roman citizen. Probably he was the son or grandson of [...]

19 08, 2017

Uranus – Planets – Astronomy – Space science

By |2018-05-31T11:49:18-07:00August 19th, 2017|Physics|Comments Off on Uranus – Planets – Astronomy – Space science

Uranus, the second to last planet out from the Sun Uranus is between Saturn and Neptune, so it's the next to the last planet away from our Sun. It takes Uranus 84 years to [...]

19 08, 2017

Supernova – Space – Astronomy

By |2018-05-31T11:49:31-07:00August 19th, 2017|Physics|Comments Off on Supernova – Space – Astronomy

Supernova from space (thanks to NASA and the Hubble Telescope) What is a supernova? Supernovas are exploding stars. Red giant stars explode when they have used up their hydrogen and helium fuel, and converted most of their atoms to iron [...]

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