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t2_08[1] - Brock University Number of pages 9 Number of...

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Brock University Test 2, November 2008 Number of pages: 9 Course: ASTR 1P01 Number of Students: 500 Date of Examination: November 13, 2008 Number of hours: 50 min Time of Examination: 16:00–16:50 Instructor: B.Mitrovi´ c 1. Copernicus is noted for (a) formulating the three empirical laws of planetary motions. (b) reviving and strongly advocating the heliocentric theory. (c) being the first to use the telescope to study the heavens. (d) discovering the law of gravity. 2. Galileo is noted for (a) formulating the three empirical laws of planetary motions. (b) reviving and strongly advocating the heliocentric theory. (c) being the first to use the telescope to study the heavens. (d) discovering the law of gravity. 3. Newton is noted for 4. Kepler is noted for 5. Who was the first to determine (approximately) the radius of the Earth? 1
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Course: ASTR1F00 Date: November 13, 2008 page 2 of 9 pages 6. The speed of a planet is greatest when it is at the greatest distance from the Sun. (a) True. (b) False. How did Aristarchus deduce that the Sun is at much greater distance than the Moon? 7. (a) From equal angular sizes of the Sun and the Moon. (b) By comparing the intervals of time between two quarter phases of the Moon. (c) From circular shape of the Earth’s shadow on the Moon. (d) From the length of the shadow of an obelisk.
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