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Author Question: What is the correct ordering of galactic components using the new bottom-up hypothesis starting from ... (Read 16 times)

jessicacav

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on: Jul 27, 2018
What is the correct ordering of galactic components using the new bottom-up hypothesis starting from oldest to youngest?
 
  a. galactic halo, average globular clusters, galactic disk
  b. galactic halo, galactic disk, average globular clusters
  c. average globular clusters, galactic halo, galactic disk
  d. average globular clusters, galactic disk, galactic halo
  e. galactic disk, average globular clusters, galactic halo.

Question 2

As described by Kepler's second law, an object in an elliptical orbit reaches its highest velocity when it is as at ____.
 
  a. lowest; perigree
 b. highest; apogee
 c. highest; perigree
 d. lowest; apogee
 e. escape velocity; perigree


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alvinum

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

a

Answer to Question 2

c


jessicacav

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Reply 2 on: Jul 27, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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