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Author Question: The grooves and ridges on Ganymede are thought to A) be due to the moon's rapid rotation. B) ... (Read 43 times)

cherise1989

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on: Jul 27, 2018
The grooves and ridges on Ganymede are thought to
 
  A) be due to the moon's rapid rotation.
  B) have grown considerably larger since the Voyager spacecraft discovered them.
  C) be part of an ongoing volcanic process.
  D) be due to crustal tectonics motion (plate tectonics).
  E) have formed within the last thousand years.

Question 2

The most tightly wound spiral arms belong to Hubble's type Sa.
 
  Indicate whether the statement is true or false


hollysheppard095

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

D

Answer to Question 2

TRUE


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