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Author Question: Which of the Uranian moons displays the widest range of surface terrains, suggesting some ... (Read 58 times)

sjones

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on: Jul 27, 2018
Which of the Uranian moons displays the widest range of surface terrains, suggesting some catastrophic disruption?
 
  A) Puck
  B) Umbriel
  C) Oberon
  D) Miranda
  E) Ariel

Question 2

Why is the light from near a black hole redshifted?
 
  What will be an ideal response?


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ky860224

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

D

Answer to Question 2

The gravity is great enough to decrease the energy of the escaping photons and thus increase their observed wavelength.


sjones

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

yeungji

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Reply 3 on: Yesterday
Excellent

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