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Homework #5
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Question 9 (1 point) If a star has a
parallax of 0.05 seconds of arc, then its
distance is
a. 2 parsecs
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b.5 parsecs
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c.20 parsecs
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d.50 parsecs
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e.500 parsecs
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Use d=1/p, where units are arcseconds
and parsecs, so d= 1/0.05 = 20 parsecs.
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