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Astronomy and Cosmology
Astronomy and Astrophysics
Is there a theoretical size limit for a planet?
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[QUOTE="Drakkith, post: 6805927, member: 272035"] Well what do you mean by an 'iron planet'? Earth is certainly a very, very dirty iron planet if you're going to call it an iron planet. It's less than 1/3rd iron by mass after all, and only beats out oxygen by about 2%. By number of atoms, oxygen easily beats iron by a huge margin. I think Sophie's reply in post #6 took you to mean a ball of pure or near-pure iron, not an Earth-like planet. Hence his talk about the chemical makeup of potential formation regions. [/QUOTE]
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Astronomy and Cosmology
Astronomy and Astrophysics
Is there a theoretical size limit for a planet?
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