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Author Question: Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are a. ... (Read 163 times)

colton

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on: Jul 27, 2018
Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are
 
  a. sharper.
  b. broader.
  c. weaker.
  d. stronger.
  e. broader and weaker.

Question 2

Infrared space telescopes must have their mirror cooled to very low temperatures because otherwise it would thermally emit too much _______ itself.
 
  a. infrared radiation
  b. radio waves
  c. X-rays
  d. gamma rays
  e. all of the above


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Jmfn03

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

a

Answer to Question 2

a


colton

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

dantucker

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Reply 3 on: Yesterday
Excellent

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