Compute all parts of given questionquestion a galaxy, Ask an Expert

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Compute all parts of given question:

Question: A galaxy observed to have a red shift corresponding to a velocity of 7500km/sec.

Part A: How far away is it in PC [H=71(km/s)].

Part B: How many years ago was the radiation we now recieve emitted by this galaxy?

Part C: How big is the universe now compared to it's size when the light was emitted?

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Category:- Physics
Reference No.:- M91249217

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