SQ1 - GE70A Study Questions, Set #1 1. Why is a falsifiable...

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GE70A Study Questions, Set #1 1. Why is a falsifiable hypothesis far more useful to a scientist than a hypothesis which cannot be falsified? 2. What would you conclude if galaxies generally showed a blueshift that was proportional to their distance. 3. Why can one state with some confidence that the universe once contained an almost perfect mix of matter and antimatter? 4. At high enough temperatures and densities in the core of a star the triple- α reaction (3 x 4 He 12 C) can occur. What are the implications of this reaction and why is important to you? Why doesn’t this reaction occur right away after the core of a star has become almost entirely helium? 5. Explain how we can use radioactive decay to determine the absolute age of a rock. 6. Explain how we can use carbon-14 to determine the age of an organic sample. 7. How do we know that the Earth is 4.55 Billion years old? 8. What are 3 ways that have been used to infer the time since the Big Bang? 9. What evidence supports the solar nebular theory of planet formation? 10. Explain the the main differences between the terrestrial planets and the outer gas giants and how the difference away from the sun influenced these differences. 11. If the universe is expanding, why isn’t the Earth expanding, or the Solar System,
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This note was uploaded on 04/02/2008 for the course GE CLUST 70A taught by Professor Morris during the Fall '07 term at UCLA.

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SQ1 - GE70A Study Questions, Set #1 1. Why is a falsifiable...

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