Planetary Astronomy Reading Notes
September 12 , 2012
Astronomy was built on the need to explore and the need to understand.
Most of the things our bodies are made up of were created billions of years ago in the
centre of a long vanished star.
Everything on Earth embodies atoms from other parts of the universe.
The belief in myth’s slowly diminished, and people starting thinking critically about
themselves and the universe
A theory can be wrong by a si