this post was submitted on 17 Jan 2024
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Anyone, math on how big that planet is?
Yeah, pretty big²
With a margin of error of "some".
Ridiculously rough calculations:
Earth's diameter is about 12,700km. This looks roughly 30 times that, so we'll say 380,000km across, or a circumference of about 1,200,000km (compared to earth's measly ~40,000km).
This puts the overall size somewhere between Jupiter and the sun (probably closer to the sun).
In terms of volume, you could fit about 10,000 standard earths inside the hollow ice ball.
Give or take an order of magnitude.
Large enough for that ice to split into hydrogen & oxygen, and then start fusion?
If it were hollow, probably not, because there presumably wouldn't be that much mass.
If you crammed 10,000 earths in there? Maybe!