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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 59 times)

crazycityslicker

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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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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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Both answers were spot on, thank you once again




 

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