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Author Question: The detectors on the Spitzer Space Telescope were cooled to near absolute zero in order to: A) ... (Read 51 times)

tuffie

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on: Jul 27, 2018
The detectors on the Spitzer Space Telescope were cooled to near absolute zero in order to:
 
  A) allow the electronics in these instruments to operate most efficiently.
  B) keep the telescope more nearly stationary.
  C) prevent the infrared radiation from the instruments interfering with the infrared signals from space.
  D) improve the angular resolution of the telescope.

Question 2

A(n) ________ spiral galaxy has a very bright active nucleus with violent motions in the interstellar gas.
 
  Fill in the blank(s) with correct word


tranoy

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

C

Answer to Question 2

Seyfert


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