homework3 - Name _ Astronomy 161 Introduction to Solar...

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Name _________________________ Astronomy 161 – Introduction to Solar System Astronomy Winter Quarter 2008 – Prof. Martini Homework #3 Due Friday, February 8 in class Instructions Answer the following five questions in the space provided, or you may use an additional sheet of paper. Each question has equal weight. Please remember to write your name on this sheet and any additional sheets. No late homework will be accepted. 1. From the Earth we can see slight changes in the phase of the planet Mars as it orbits the Sun. At what point of Mars’ orbit do we see the smallest illuminated fraction of Mars’ surface? a) Quadrature b) Mars always appears Full c) Opposition d) Maximum Elongation e) Conjunction 2. Return of the Comet . Imagine a new comet is seen later this year. Based on your analysis of its orbit and the historical record, you determine that this comet is identical to one seen in 1918. What is the semimajor axis of the comet’s orbit?
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This note was uploaded on 07/17/2008 for the course ASTRO 161 taught by Professor Martini during the Winter '08 term at Ohio State.

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homework3 - Name _ Astronomy 161 Introduction to Solar...

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