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LECTURE 27
questions before lecture
think about these
- What does cosmos mean?
- Define homogeneous. Define isotropic.
- If you put dots all over a balloon, then blow it up and watch the dots expand away from each other, do the dots each expand away from all the others at the same rate?
- Where did the Big Bang take place?
- What happens to the frequency of light when the source of the light moves away from the observer? toward?
- Why is Edwin Hubble's name familiar?
- Is anything on earth as hot as the sun? If so, what?
- When two particles become bound to each other, what happens to the energy of the system?
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Please email any questions, comments, or suggestions to
Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.
Revised October 23, 1997.
Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton
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