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Biology, 06.01.2022 01:00 johnsonwhitney2

An astronomer observes the light of a galaxy that is 600 million light-years away. How old is the light? 1 year old

10 years old

50 million years old

600 million years old

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An astronomer observes the light of a galaxy that is 600 million light-years away. How old is the li...
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