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Author Question: Which of the following rings of Saturn lies closest to the planet? A) the A ring B) the B ring C) ... (Read 119 times)

BrownTown3

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on: Jul 27, 2018
Which of the following rings of Saturn lies closest to the planet?
 
  A) the A ring B) the B ring C) the C ring D) the E ring E) the F ring

Question 2

What is the primary way in which we determine the mass distribution of a spiral galaxy?
 
  A) We count the number of stars we can see at different distances from the galaxy's center.
  B) We calculate its mass-to-light ratio.
  C) We apply Newton's version of Kepler's third law to the orbits of globular clusters in the galaxy's halo.
  D) We construct its rotation curve by measuring Doppler shifts from gas clouds at different distances from the galaxy's center.


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shewald78

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

C

Answer to Question 2

D


BrownTown3

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Reply 2 on: Jul 27, 2018
Excellent

cam1229

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Reply 3 on: Yesterday
Gracias!

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