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Author Question: Five stars and their spectral types are given below. Which star would have the lowest surface ... (Read 34 times)

ssal

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on: Jul 27, 2018
Five stars and their spectral types are given below. Which star would have the lowest surface temperature?
 
  a.  For; F8
  b.  Cet; M7
  c. 35 Ari; B3
  d.  Tri; A0
  e.  Per; O7

Question 2

The technique called _______ uses a high-speed computer to monitor atmospheric distortion and adjust the optics of a telescope to partially compensate for the seeing.
 
  a. photometry
  b. chromatic aberration
  c. active optics
  d. spherical aberration
  e. adaptive optics


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sierramartinez

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

b

Answer to Question 2

e


ssal

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Reply 2 on: Jul 27, 2018
Wow, this really help

gcook

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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