M2_97 - ASTRONOMY 100 Dr. Werner Dppen 2 pm, 28 October...

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1 ASTRONOMY 100 Dr. Werner Däppen MIDTERM 2 ______________ 2 pm, 28 October 1997 Exam Number Name (Please Print) 1. The light we see from the Sun comes from which layer? a) chromosphere b) photosphere c) corona d) convective zone 2. The liquid interior of the Earth was revealed by ______________. a) the theory that the early Earth was hot and soft. b) the presence of a large ocean. c) the different behavior of p (longitudinal) and s (transverse) seismic waves through the Earth's interior. d) the presence of natural oil and gas on Earth. e) the high average density of the Earth. 3. If our moon had double mass but still the same size, that is, if it had a double mean density, it would _______ likely have an atmosphere. a) more b) even less c) none of the above Please identify the following planets with the description that fits best a) Venus b) Mercury c) Mars d) Jupiter e) Earth 4. _________ is the brightest planet in the sky 5. _________ has practically no atmosphere 6. _________ has large quantities of water 7. _________ has four large moons 8. _________ has many craters and a significant atmosphere (dense enough, for instance, to slow down a spacecraft)
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2 9. Life on Earth a) has relied on oxygen in the atmosphere ever since it has been around b) has created the large amount of oxygen in the atmosphere c) has created the oceans d) only adapted to changes of the Earth, but has itself never changed the environment 10. The fact that the ``far'' side of the Moon has more craters than the front side has to do with __________. a) the softness of the young Moon b) the position of the Earth, which has acted like a shield for the Moon, thus preventing many impacts on the front side c) the existence of a lunar civilization on the far side, discovered by one of the manned missions to the Moon (Apollo 13) 11. Tides on Earth are most prominent when it is a) New or Full Moon b) First or Third Quarter of the Moon c) July 12. How did the later Greek astronomers discover that the Morning Star and the Evening Star were in fact one and the same planet? They came to the conclusion because __________. a) both have the same color b) both have the same brightness c) they were discovering the phases of Venus d) they made the hypothesis of a single planet which then allowed a correct prediction for both "stars" 13. Which of the following planets has a sense of rotation opposite to the orbital motion? a) Earth b) Jupiter c) Venus d) Mercury e) Mars 14. Find the planet that can never be seen in the vicinity of the Full Moon a) Mars b) Mercury c) Jupiter 15. Why doesn't the Earth itself provide many clues to the origin of the solar system? a) Each planet was formed by an entirely different process. b) The planets formed at different times.
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This note was uploaded on 06/26/2009 for the course ASTR 100Lxg taught by Professor Dappen during the Fall '07 term at USC.

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M2_97 - ASTRONOMY 100 Dr. Werner Dppen 2 pm, 28 October...

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