Planetary Universe?

I'm working on the setting for a fictional story I'm writing and I wanted to inquire as to how possible massive-Universe-sized planets are radius: 5.0x10^30M, without me having to re-make the laws of Physics.

I usually dislike it when I encounter works, in which it seems the author doesn't even have a grasp on Physics, and one would have to completely abandon Physics to enjoy such fiction. So I want my story to be coherent with the Laws of Physics as much as possible.

My story, is sci-fi, and fantasy. It uses "magic", but such "magic" is bounded by internal Laws and logic. The "magic" is somewhat similar to "Mahouka Koukou no Rettousei".

Anyway, in the particular realm in which these planets occur, they are bounded by the Laws of Physics as they appear in our Universe.

String Theory as been established as correct.

The Planet-Universe, generate their own source of heat and light.

I want to know what the Physics and Chemistry of such a planet would be like. SO that I can adjust my story suitably while keeping in-line with Physics.

I was thinking of the extreme gravity, condensing the universe, until it was a solid sphere. The ejection jets are absent, due to the gravity, as they too have been solidified.The gravity has caused the planet verse, to attain equilibrium.

How does it sound, I'll appreciate suggestions.

posted over 8 years ago

Tobi Alafin‭

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