The Essential Cosmic Perspective (8th Edition)
The Essential Cosmic Perspective (8th Edition)
8th Edition
ISBN: 9780134446431
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 1, Problem 2EAP

Define astronomical unit and light-year.

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Considering absolute magnitude M, apparent magnitude m, and distance d. Compute the unknown for each of these stars: a. m = +1.6mag, d = 4.3pc. What is M? b. M = -14.3 mag, m = 10.9 mag. What is d? c. m = -5.6mag, d = 88pc. What is M? d. M = 0.9mag, d = 220pc. What is m?
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The Essential Cosmic Perspective (8th Edition)

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