Multiple Choice
A galaxy cluster consists of 1,000 galaxies within a radius of 2.5 Mpc,traveling at a typical velocity of 1,000 km/s.If the average stellar mass of a cluster galaxy is 10¹¹ MSun,what fraction of the cluster's mass is NOT stellar?
A) 5/6
B) 9/10
C) 1/2
D) 1/10
Correct Answer:
Verified
Correct Answer:
Verified
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