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A comment on Earth now weighs six ronnagrams: New metric prefixes voted in. Parent comment

Re:Earth now weighs six ronnagrams: New metric prefixes vote... by SuoDuanDao on Friday November 18, 2022 @01:15PM (#33659148)
weird question for anyone with the relevant knowledge, would 25 ronna-Reagans in one place behave differently than our sun? I know that mass would be mostly oxygen, but at that scale does it matter?
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Re:Earth now weighs six ronnagrams: New metric prefixes vote... by smueller1234 on Friday November 18, 2022 @01:36PM (#33659584)
You should ask Randall Munroe! :)

http://what-if.xkcd.com

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Re:Earth now weighs six ronnagrams: New metric prefixes vote... by jerf on Friday November 18, 2022 @03:38PM (#33661753)
He did something pretty close early on: https://what-if.xkcd.com/4/
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Re:Earth now weighs six ronnagrams: New metric prefixes vote... by nkrisc on Friday November 18, 2022 @03:43PM (#33661836)
Are you asking in terms of gravitation or as a star?

By mass, the sun is 71% Hydrogen and 27.1% Helium, the last 1.9% or so being heavier elements (much of that being oxygen.

I’m no expert, but I suspect a mass of 25 ronna-Reagans would not make a very good star. I imagine it might collapse into a dense Oxygen and Carbon rich sphere, and in that environment various chemical reactions might turn it into some other kind of material.

But maybe I’m way off.

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