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Author Question: The Doppler effect can reveal the rotation speed of a star by the splitting of the spectral lines. ... (Read 90 times)

K@

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  • Posts: 608
on: Jul 27, 2018
The Doppler effect can reveal the rotation speed of a star by the splitting of the spectral lines.
 
  Indicate whether the statement is true or false

Question 2

If the Sun-Earth separation were 10 AU instead of 1 AU, what would the ux of sunlight (energy per second per square meter) be at the Earth, compared to what it is today?
 
  A) 100 times more
  B) 10 times less
  C) about 3.16 (or the square root of 10 ) times less
  D) 10 times more
  E) 100 times less


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ally

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

FALSE

Answer to Question 2

E


K@

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  • Posts: 608
Reply 2 on: Jul 27, 2018
Wow, this really help

bitingbit

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Reply 3 on: Yesterday
Excellent

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