planets

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

What are planets? Astronomy – Space science

By |2018-09-10T17:46:23-07:00August 19th, 2017|Physics|Comments Off on What are planets? Astronomy – Space science

What are planets? The planet Venus from space Before there were planets For several hundred million years after the Big Bang, there were no planets, only stars. Planets couldn't form until the [...]

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