AST 309 Exam I.docx - AST 309 Exam I 1 When looking back into the universe why are gravity waves better to study than light waves a Early on the

AST 309 Exam I.docx - AST 309 Exam I 1 When looking back...

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AST 309 Exam I 1.When looking back into the universe, why are gravity waves better to study than light waves? 2.Why can’t planet X have started in the same point on the Kuiper Belt where everything intersects? 3.How do you get velocity from a spectrograph? 4.X-ray gas in clusters 5.How do 2 orbiting particles fall toward the center of the Earth (or other massive body)? 6.Name 6 ways to affect clumpiness: 7.Einstein’s discovery about general relativity: 8.Why do we think Einstein’s general relativity is incomplete? 9.How does the Equivalence Principle explain curved space time?
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