Multiple Choice
What was the COBE satellite designed to measure?
A) 21-cm radio radiation from intergalactic hydrogen
B) Redshifts of objects at cosmological distances,to obtain an accurate measurement of Hubble's constant
C) X-rays from quasars and other objects at cosmological distances
D) The cosmic microwave background radiation
Correct Answer:

Verified
Correct Answer:
Verified
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