AST 301 Exam 2 - Test Form A WINGET AST 301 EXAM 2 FALL...

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Test Form A WINGET AST 301 EXAM 2 FALL 2010 Instructions: Pick the single best answer and mark on the answer sheet provided. Use a No. 2 pencil. Make sure to include your name, UTEID, and Test Form on your scantron. 1. The best current theory for the formation of the moon is that it a. formed simultaneously with Earth (“sibling”) b. was formed elsewhere and was captured by Earth (“hitchhiker”) c. split off (fissioned) from Earth (“child”) d. is the result of a collision of a Mars-sized object with Earth (“impact trigger”) e. migrated in from Neptune (“lunar nomad theory”) 2. Which of the following has modified the surface of Mars? 3. Which of the following is evidence that the moon is geologically inactive? 4. Examination of moon rocks indicate a. the moon had an early global magnetic field b. cratering did not occur in the early solar system c. recent volcanic activity on the Moon d. an era of increased solar activity about 4 billion years ago e. all of the above 5. We have found evidence for impact cratering on which of the following 6. Kepler’s third law (the ratio of the cube of the semi-major axis to the square of the orbital period) applies to a. all the terrestrial planets b. all the outer (giant) planets c. all the asteroids d. all of the above
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e. none of the above 7. Why is a body like Neptune very nearly spherical while an asteroid is not? 8. The inner planets are called terrestrial. This is because of the similarity in what physical property? 9. The presence of ox-bows and gullies on the surface of Mars suggest that
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