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A redshift can be described as: A. A number used to measure a galaxy's size B. A new galaxy that is forming C. A galaxy that is moving toward us D. A galaxy that is moving away from us
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May 26, 2020
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A redshift can be described as:
A. A number used to measure a galaxy's size
B. A new galaxy that is forming
C. A galaxy that is moving toward us
D. A galaxy that is moving away from us
Advanced Placement (AP)
middle-school
Weles
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A redshift can be described as a galaxy that is moving away form us. So the correct one is D.
Fent
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Jun 1, 2020
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