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Author Question: Electromagnetic radiation, or light, travels at speed ___________ m/s. Fill in the blank(s) with ... (Read 129 times)

sam.t96

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on: Jul 27, 2018
Electromagnetic radiation, or light, travels at speed ___________ m/s.
 
  Fill in the blank(s) with correct word

Question 2

____________________ can be used to determine the distance to a star when the spectrum of the star can be used to determine its spectral type and luminosity class.
 
  Fill in the blank(s) with correct word


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InfiniteSteez

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

3  108
or
300,000,000

Answer to Question 2

Spectroscopic parallax


sam.t96

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

raili21

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

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