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Author Question: What temperature has the Big Bang cooled to by now? A) 1.4 K B) 5,800 K C) about 3,000 K D) ... (Read 71 times)

clmills979

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on: Jul 27, 2018
What temperature has the Big Bang cooled to by now?
 
  A) 1.4 K
  B) 5,800 K
  C) about 3,000 K
  D) about 300 K
  E) just over 2.7 K

Question 2

Most of the mass of the Milky Way seems to exist in the form of
 
  A) population II stars in the Halo.
  B) dark matter out in the Halo.
  C) population I stars in the disk.
  D) hydrogen gas in the disk and spiral arms.
  E) the black hole in the Galactic Center.


ashely1112

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

B


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