Multiple Choice
The era of recombination saw the formation of the first permanent atoms, paving the way for the formation of larger structures. At this time the mass contained in a volume 1 Jeans length on a side was about 500,000 M. This suggests the mass of a typical structure formed early in the universe. What familiar object has this mass?
A) a spiral galaxy
B) a Population III star
C) an open cluster
D) a globular cluster
Correct Answer:

Verified
Correct Answer:
Verified
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