a135-HW3

A135-HW3 - Astronomy 135 Archaeoastronomy Problem Set 3 Due at the beginning of class Feb 7 Reading assignment Krupp Ch 2 The Skies We Watch pp

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Astronomy 135: Archaeoastronomy Problem Set 3 Due at the beginning of class, Feb. 7 Reading assignment: Krupp, Ch. 2, “The Skies We Watch”, pp. 23-51 1. The Latitude of New Haven is 41.3° N. Examine the Celestial Sphere handout and determine: a) At what Declination do stars never appear to set (i.e., which stars are circumpolar) as seen from New Haven? b) At what Declination can stars never been seen (they never get above the horizon) as seen from New Haven? 2. Suppose you lived on the moon, somewhere near the moon’s equator. a) How long (in earth days) is a solar day on the moon? b) Would you see the earth go through phases? c) How long would it take the earth to move all the way around the sky as seen on the moon? 3. If there is a total solar eclipse in April, could there be a lunar eclipse in July? Explain your answer. 4. a) What is the southernmost Declination the moon can reach? How often does this happen? b) At what Azimuth is the northernmost lunar standstill as seen from New Haven?
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This note was uploaded on 10/15/2008 for the course ASTR 135 taught by Professor Michaelfaison during the Spring '08 term at Yale.

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