Multiple Choice
If the estimated distance from Earth to the Coma Cluster of galaxies is about 300 million ly (see Figure 23-21 of Universe, 11th ed.(in the text) ) , what is its velocity of recession?
A) 14 km/s
B) 6600 km/s
C) 0.072 km/s
D) 21,000 km/s
Correct Answer:
Verified
Correct Answer:
Verified
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