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Author Question: Astronomers build telescopes on tops of mountains because a. there is less air to dim the light. ... (Read 78 times)

Haya94

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on: Jul 27, 2018
Astronomers build telescopes on tops of mountains because
 
  a. there is less air to dim the light.
  b. the seeing is better.
  c. CCDs work better when there is less oxygen in the air.
  d. all of the above
  e. a and b

Question 2

Molecular clouds are mapped using CO instead of hydrogen because CO is much more abundant than hydrogen in molecular clouds.
 
  Indicate whether the statement is true or false


dantucker

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

E

Answer to Question 2

F


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