The ancient study of astronomy

  1. The Babylon people created calenders.
  2. The Maya people created the Mayan long count calender that uses the base twenty counting system they created.
  3. The Greeks created the ptolemaic system that proved that earth was in the centre of the universe a theory that was later disproven.

1.  How did we find out that earth isn’t in the centre of the universe?

2.  How does the base ten calender work?

  1. I now understand how we started to understand astronomy and how much our understanding has grown.

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