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Author Question: The composition of a planet can be determined by A) the Doppler technique. B) astrometric ... (Read 41 times)

Mimi

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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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Answer to Question 1

D

Answer to Question 2

D





 

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