Chapter 1
Where are we? 
Contents
How did it all get here?
Chemical change
Q. What does chemical change
have to do with the abundance of life in the Universe? Is timing important?
Space, Time and Distance
How do we measure them?
The finite speed of light – and what it
means.
How far away is it? Andromeda
How do we count things?
How can I keep it all straight?
Scale as a way to understand things
Nearby stars, The Milky Way
Age of the Universe
Motion
How fast are we moving? Rotation revolution more revolution
So, where are we and where are we going?