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Download ASTRONOMY 101 SAMPLE FIRST EXAM [1] Kepler`s Law relating
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ASTRONOMY 101 SAMPLE FIRST EXAM [1] Kepler’s Law relating the period,p, of a planet to the radius (semi-major axis), a, of its orbit is, using a constant k, (a) p = k/a (b) p2 = k a3 (c) p3 = k a2 (d) p = k/ a2 [2] Kepler’s third law states that a planet in an elliptical orbit moves with a velocity such that (a) the planet moves slower as it approaches nearer the sun. (b) the line between the Sun and the planet sweeps out equal areas in equal times. (c) it won’t need to stop for the comets going by. _______________________________________________________________ Match the name with the accomplishment: [3] Kepler (a) advocated a Sun-centered solar system [4] Galileo (b) Instituted the view of an Earth-centered world with a crystalline sphere for the stars and circular orbits. [5] Copernicus (c) showed planet orbits are elliptical [6] Ptolomy (d) advocated a sun-centered system, showed that Jupiter had moons and our moon had jagged peaks. [7] Aristotle (e) Perfected an accurate geocentric system, used for 1500 years. Greek Measurement, modeling and diagrams Match the name with the diagram of the accomplishment: [8] Eritosthenes (Aritosthenes) (a) [9] Aristarchos (b) [10] Ptolemy (c) Describe the concept illustrated by the following diagrams, the importance of the concept and the scientist responsible for it. [11] [12] [13] Important astronomical data from the past includes records from the Babylonians, the Chinese and Tycho Brahe. Discuss the importance of each of these records and how they contributed to the development of modern astronomy. [6 points] [14] Name two non-European cultures who used astronomy and briefly discuss what we know of their astronomical work or uses. [4 points] [15] Aristotle contributed a number of important ideas to modern science and astronomy. Identify and discuss five of these and their importance. Use your planisphere starchart to answer the following questions. [16] On 10 August at midnight, what are the three brightest stars in the western sky? [17] What is the name of the star at 14.2 hrs R.A. and 19º dec. ? [18] What is the object M42 in the constellation Orion?