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Author Question: In general, which type of planet would you expect to cause the largest Doppler shift in the spectrum ... (Read 160 times)

TFauchery

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In general, which type of planet would you expect to cause the largest Doppler shift in the spectrum of its star?
 
  A) a massive planet that is close to its star
  B) a massive planet that is far from its star
  C) a low-mass planet that is close to its star
  D) a low-mass planet that is far from its star

Question 2

Most of the information about the Moon's internal structure comes from ________ left on the lunar surface by Apollo astronauts.
 
  Fill in the blank(s) with correct word



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Edwyer

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Answer to Question 1

A

Answer to Question 2

seismographs




TFauchery

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


ktidd

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Reply 3 on: Yesterday
:D TYSM

 

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