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Author Question: In the fission theory of the Moon's origin a. the Moon broke from a rapidly spinning Earth b. ... (Read 151 times)

EY67

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on: Jul 27, 2018
In the fission theory of the Moon's origin
 
  a. the Moon broke from a rapidly spinning Earth
  b. the Earth and its Moon formed from the same cloud of matter
  c. the Moon formed elsewhere in the solar nebula and was later captured by Earth.
  d. the Moon formed when a very massive planetesimal smashed into the young Earth.

Question 2

Gravitational lensing
 
  a. occurs when light passes near a massive object and is deflected by the object's gravitational field.
  b. can be used to determine the luminosity of a galaxy.
  c. occurs when the mass of a galaxy is greater than expected from the luminosity of the galaxy.
  d. occurs when the mass of a galaxy is less than expected from the luminosity of the galaxy.
  e. can be used to determine the recessional velocity of a galaxy.


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fromAlphatoOmega22

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

A

Answer to Question 2

A


EY67

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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