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Questions tagged [nice-model]

Questions regarding the Nice Model of the Solar System's evolution.

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3 votes
2 answers
765 views

Could Mercury be a some kind of Chthonian?

A recent news article mentioned that Mercury has an unusually large core - meaning it is denser than the other rocky planets in the solar system. It made me wonder if Mercury could have started as an ...
codeMonkey's user avatar
1 vote
0 answers
42 views

What were the likely initial conditions at the time of the solar system's formation?

I know we will never know for sure how many planets there were and what their respective masses and orbital elements were when the solar system formed, but I'm very interested in what the approximate ...
Happy Koala's user avatar
8 votes
1 answer
601 views

If the fifth gas giant in the early Solar System was completely ejected, where would it be now?

I've read about the possible 5th gas giant in the Solar System, and about its ejection about ~100 million years after the formation of the Solar System. However, I have not seen anything about its ...
WarpPrime's user avatar
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