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SAT, 23.12.2021 03:50 jayzelgaspar8005
You measure the recession velocity of galaxy a to be 2,000 km/sec and the recession velocity of galaxy b to be 6,000 km/sec. What can you say about the distances to these galaxies?.
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You measure the recession velocity of galaxy a to be 2,000 km/sec and the recession velocity of gala...
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