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Author Question: Compared to Saturn, Jupiter is about A) 100 times more massive. B) twice the diameter, but less ... (Read 108 times)

casperchen82

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on: Jul 27, 2018
Compared to Saturn, Jupiter is about
 
  A) 100 times more massive.
  B) twice the diameter, but less dense.
  C) half as dense, but the same mass since it is larger.
  D) three times more massive and denser.
  E) half as massive and denser.

Question 2

Contrast the original and present uses of the Cosmological Constant.
 
  What will be an ideal response?


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maya.nigrin17@yahoo.com

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

D

Answer to Question 2

Originally Einstein added it to General Relativity to stabilize a presumably static universe against either contraction or expansion, for astronomers then thought the universe static. Today we apply the cosmological constant to the wild card of dark energy to explain the acceleration of the expansion, overpowering gravity.


casperchen82

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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