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Author Question: How does the Solar Nebula theory explain the formation and orbital properties of planets? What ... (Read 113 times)

Redwolflake15

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on: Jul 27, 2018
How does the Solar Nebula theory explain the formation and orbital properties of planets?
 
  What will be an ideal response?

Question 2

In a very young star cluster, while the most massive stars are swelling up into giants, the least massive stars are
 
  A) collapsing directly to white dwarfs.
  B) also evolving off the main sequence as well.
  C) blowing off shells as planetary nebula instead.
  D) continuing to shine as stable main-sequence stars.
  E) still on the zero-age main sequence.


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softEldritch

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

As the gas cloud contracts, it spins faster due to conservation of angular momentum. A bulge forms at the equator, which spreads out and eventually forms concentric rings. Each ring forms a planet. This theory explains the observed orbital properties of the planets. The rings formed at the equator and were rotating in the same direction as the gas cloud. This means the planets will all orbit near the plane of the Sun's equator and in the same direction as the Sun's rotation.

Answer to Question 2

E


Redwolflake15

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Reply #2 on: Jul 27, 2018
Thanks


softEldritch

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Reply #3 on: Jul 27, 2018
Welcome :)


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