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Author Question: If the Galactic Year is defined as the orbital period of the solar system, how long does it take us ... (Read 70 times)

Chloeellawright

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on: Jul 27, 2018
If the Galactic Year is defined as the orbital period of the solar system, how long does it take us to circle the center? How do we know?
 
  What will be an ideal response?

Question 2

Jupiter and the other jovian planets are noticeably oblate because
 
  A) their powerful gravity acts stronger on the closer poles than the distant equator.
  B) they are fluid bodies that are spinning rapidly.
  C) they are tidally distorted by the pulls for their satellite systems.
  D) they all have strong magnetic fields that deform their shape.
  E) All of the above are correct.


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frogdreck123456

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

225 million years, measured by the motion of the Sun relative to the distant halo stars and globular clusters.

Answer to Question 2

B


Chloeellawright

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Reply 2 on: Jul 27, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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