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Author Question: Explain why the terrestrial planets have meager atmospheres compared to the Jovian planets. What ... (Read 380 times)

tuffie

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on: Jul 14, 2018
Explain why the terrestrial planets have meager atmospheres compared to the Jovian planets.
 
  What will be an ideal response?

Question 2

Briefly describe the origin of the Moon.
 
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courtney_bruh

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Airless bodies develop where solar heating is strong and/or gravities are weak. Simply stated, small warm bodies have a better chance of losing their atmospheres because gas molecules are more energetic and need less speed to escape their weak gravities.

Answer to Question 2

The Moon originated from the impact of a large planetary body colliding with early Earth and tearing out a large chunk of molten Earth material that cooled within orbiting range and was kept within orbiting range by gravity.


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