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Author Question: The composition of a planet can be determined by A) the Doppler technique. B) astrometric ... (Read 42 times)

Mimi

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on: Jul 27, 2018
The composition of a planet can be determined by
 
  A) the Doppler technique.
  B) astrometric measurements.
  C) transit observations.
  D) spectra.
  E) all of the above

Question 2

Which of these is NOT a consequence of resonance?
 
  A) the Moon's periods of rotation and revolution are equal
  B) the orbital periods of Neptune and Pluto
  C) the Kirkwood Gaps in the asteroid belt
  D) Venus' cloud and surface rotation rates
  E) Mercury's rotation and revolution around the Sun


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kilada

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

D

Answer to Question 2

D


Mimi

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Reply #2 on: Jul 27, 2018
Thanks


kilada

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Reply #3 on: Jul 27, 2018
Welcome :)


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