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Two stars, one classified A4 V and the other A4 III, have the same apparent magnitude. There is no ...

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Two stars, one classified A4 V and the other A4 III, have the same apparent magnitude. There is no ...

Two stars, one classified A4 V and the other A4 III, have the same apparent magnitude. There is no significant amount of absorption of starlight by interstellar material. From this information we know that
A)   the A4 V star is cooler than the A4 III star.
B)   the A4 V star is closer to the Sun than the A4 III star.
C)   the A4 V star is farther from the Sun than the A4 III star.
D)   the A4 V star is hotter than the A4 III star.

Textbook

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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symbo Author

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7 years ago

Good timing, thanks!

kh540941

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Thanks for your help!!

Chaldoren

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