1. Edwin Hubbel 1889 - 1953

2. The Big Bang Theory What did Edwin Hubble Discover? 1)The universe is much bigger than we thought. There are billions of other gallaxies each filled with billions of stars (our sun is just an average sized star). 2)The galaxies are moving away from each other evidenced by the Red Shift caused from the Doppler Effect. Page 17

3. EQ: How is our Universe expanding? Procedure: In your notes write out your procedure (what you will do). Balloon Lab InflationA – BB-CA - C 1 2 3 Page 17 Name Date Block