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florida1014 florida1014
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A month ago

How do we know that Jovian planets formed within about 10 million years of the formation of the solar nebula?



It takes about 10 million years for gas giants to grow by gravitational collapse.



After 10 million years there was very little gas present in the solar nebula.



We have estimated their ages using the proportions of radioactive elements in their atmospheres.



We have estimated their ages by measuring how much heat is left over from their formation.

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ASTRO

ASTRO


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jjwatsonjjwatson
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A month ago
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florida1014 Author
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A month ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
this is exactly what I needed
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2 hours ago
Thank you, thank you, thank you!
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