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Author Question: What is the cosmic microwave background, and why is it significant? What will be an ideal ... (Read 43 times)

dbose

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on: Jul 27, 2018
What is the cosmic microwave background, and why is it significant?
 
  What will be an ideal response?

Question 2

Venus has a feature named Aphrodite Terra. What is this feature?
 
  A) a very large volcano
  B) a large impact crater
  C) a continental-sized plateau
  D) a large basin similar to the maria on the Moon
  E) a great rift valley like Valles Marineris on Mars


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durant1234

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

It is a 2.7 K universal blackbody background radiation, the same in all directions. It is the redshifted remnant of the intense radiation emitted in the Big Bang, now shifted all the way into the microwave region of the spectrum.

Answer to Question 2

C


dbose

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Reply 2 on: Jul 27, 2018
Excellent

komodo7

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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