Multiple Choice
Suppose one could examine a star and determine its absolute magnitude M without any intervening gas and dust. Compared to its absolute magnitude measured with gas and dust between Earth and the star, this "clean" measurement of M would be
A) a larger number.
B) a smaller number.
C) the same number.
D) either larger or smaller depending on the star's speed (toward or away) .
Correct Answer:
Verified
Correct Answer:
Verified
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