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Author Question: Contrast the sources of Jupiter's and the Earth's internal energy flows. What will be an ideal ... (Read 31 times)

crazycityslicker

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on: Jul 27, 2018
Contrast the sources of Jupiter's and the Earth's internal energy flows.
 
  What will be an ideal response?

Question 2

How are the orbits of extrasolar planets different from the orbits of planets in our solar system?
 
  A) Many extrasolar planets orbit their stars backward.
  B) Many extrasolar planets are on very tilted orbits compared to what we'd expect.
  C) Many extrasolar planets do not travel on elliptical orbits.
  D) Many extrasolar planets travel on very eccentric orbits.


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SomethingSomething

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

For gigantic Jupiter, its gradual gravitational contraction is still sufficient to generate twice the energy it gets from the Sun. The smaller Earth finished such contraction long ago, and depends instead of radioactive decay of Uranium 238 and other heavy elements to heat its core and generate geothermal energy.

Answer to Question 2

D


crazycityslicker

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


SomethingSomething

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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