Make summary statements on the following:
1. What do you 'get' about general relativity?
2. Why does 'special relativity' matter in the study of light?
3. How do we use Einstein's idea of gravitational lensing?
4. How do we find new planets using light?
5. Why is finding inhabitable planets so tough?
6. What is the Big Bang? How do Penzias and Wilson figure into it?
7. What is the structure of the universe?
8. How many generations of stars have lived and died? How do we know?
9. Do you believe there are aliens? Why or why not?
Please do the exercises found here
http://spiff.rit.edu/classes/phys230/lectures/planets/Lens_Nav.swf
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