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doit_the_clown doit_the_clown
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7 years ago
What was the COBE satellite designed to measure?
A)   Redshifts of objects at cosmological distances to obtain an accurate measurement of Hubble's constant
B)   21-cm radio radiation from intergalactic hydrogen
C)   X rays from quasars and other objects at cosmological distances
D)   The cosmic microwave background radiation
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
This calls for a celebration Person Raising Both Hands in Celebration
mcraver1
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Yesterday
Thanks for your help!!
Ivansitospeed@g
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2 hours ago
Smart ... Thanks!
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