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Tsync Tsync
wrote...
Posts: 3450
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8 years ago
About how hot was the Big Bang when matter and energy "decoupled"?
A) 3,000 K      B) 2.73 K      C) 15 million K      D) 300 K      E) 900 million K
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 203 times
3 Replies
Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
wrote...
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
8 years ago
Happy to help Slight Smile
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