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Author Question: The large gaps in the asteroid belt (often called Kirkwood gaps) are caused by A) large asteroids ... (Read 51 times)

student77

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on: Jul 27, 2018
The large gaps in the asteroid belt (often called Kirkwood gaps) are caused by
 
  A) large asteroids that clear certain regions of the asteroid belt.
  B) tidal forces from Jupiter.
  C) tidal forces from the Sun.
  D) orbital resonances with Jupiter.
  E) the competing gravitational tugs of Mars and Jupiter.

Question 2

The aspect ratio of thickness to width of the galactic disk is about:
 
  A) 1:2.
  B) 1:5.
  C) 1:10.
  D) 1:100.
  E) 1:1,000.


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Moriaki

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

D

Answer to Question 2

D


student77

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Reply 2 on: Jul 27, 2018
Gracias!

coreycathey

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Reply 3 on: Yesterday
Excellent

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