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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