Multiple Choice
Suppose we could examine a star and determine its apparent magnitude m without any intervening gas and dust.Compared with its apparent magnitude measured with gas and dust between us 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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