michaelbernbenn3915 michaelbernbenn3915

21-03-2024
Physics

contestada

Messier 81 is a spiral galaxy about 12 million light years from Earth with a recessional velocity of 330 kilometers per second. If the Leo I galaxy group is 36 million light years away, What is a good estimate for its recessional velocity?
1) 1700 km/s
2) 35937 km/s
3) 660 km/s
4) 1000 km/s

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