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July 5, 2015

Homework Help: Physical Science

Posted by Anonymous on Thursday, October 27, 2011 at 1:07pm.

Galaxy A is 600 million light years from earth. Galaxy B is moving away from the earth at a speed that is 80% as large as that of Galaxy A. How far from earth is Galaxy B?

A. 750 million light years.
B. 640 million light years.
C. 540 million light years.
D. 480 million light years

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