astronomy - ASTRONOMY 103: Homework 1 (with...

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ASTRONOMY 103: Homework 1 (with Stanimirovic/Schechtman-Rook) Due on Tuesday, Feb 5 in class 1. Multiple-choice questions: please mark the correct answer. Each of five questions is worth 8 points. 1. The nearest star Proxima Centauri is approximately A. 4 light years from the Earth B. 1000 light years from the Earth C. 100 Astronomical units from the Earth D. 100 thousand miles from the earth. 2. The best test of a scientific hypothesis is how A. well it explains all known observations B. well it agrees with known theories C. simply it explains all known observations D. well it predicts new observations E. easily it is transcribed into mathematical notation. 3. A planet in our Solar system moves fastest in its orbit when it is A. where its orbit is the most elliptical in shape B. on the minor axis of the orbit C. at the focus of the orbit D. nearest the Sun. 4. Retrograde motions of the planets are due to: A. Earth rotating around its axis B. Earth and planets rotating around the Sun C. Sun motion in respect to distant stars
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This note was uploaded on 03/27/2008 for the course ASTRO 113 taught by Professor Snezama during the Spring '08 term at University of Wisconsin.

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astronomy - ASTRONOMY 103: Homework 1 (with...

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