Suppose We Could Examine a Star and Determine Its Absolute

question 277

Multiple Choice

Suppose we could examine a star and determine its absolute magnitude M without any intervening gas and dust.Compared with its absolute 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).

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