Hubble Practice Test
Here are some questions to help you decide whether you have grasped the basic concepts of Hubble's Law.
(click a question for a BIG hint)
What is the relationship between a galaxy's distance and its motion relative to us?
What led Edwin Hubble to believe the galaxies were receding from each other?
What is meant by "Hubble's Constant" and what is its significance?
Why do we appear to be in the center of the recession?
How old is the Universe?