A_Quiz08(Fa07)

A_Quiz08(Fa07) - SURVEY OF ASTRONOMY 806243 Quiz Score/10 =...

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S URVEY OF A STRONOMY 806–243 Name: _________________________ Quiz Score: /10 = _______% Section: _________________________ ASTRONOMY 806-243 QUIZ 8 ________ 1. If the sun suddenly collapsed and became a black hole, without changing its mass, (Schwartzchild radius of Sun = 3 km), the Earth would a) Continue to orbit just as it does now b) Fall straight into the black hole c) Spiral into the black hole over a few years’ time d) Escape from sun’s gravity and drift into space ________ 2. This individual proposed, that when quantum mechanics is taken into consideration, a black hole can slowly evaporate by emitting very small amounts of radiation and losing mass a) Albert Einstein b) Stephen Hawking c) Edwin Hubble d) Henrietta Leavitt e) Harlow Shapley ________ 3. By counting globular clusters he determined the Milky Way had a spherical distribution with the Sun near edge (He had value 15kpc; actually closer to 8.5 kpc). a)
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A_Quiz08(Fa07) - SURVEY OF ASTRONOMY 806243 Quiz Score/10 =...

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