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[-] potatopotato@sh.itjust.works 22 points 2 months ago* (last edited 2 months ago)

That's not how.......what???

F = G * (m1 * m2) / r^2

Note that radius is both squared and the dividing term. More distance = less gravity

[-] lemmyman@lemmy.world 10 points 2 months ago* (last edited 2 months ago)

Escape velocity does scale with (square root of) radius so its not a dumb thought.

And I'm not a rocket surgeon but I could imagine earth rockets might be operating near some physical limits that make a 50% increase (or whatever) infeasible.

https://en.wikipedia.org/wiki/Escape_velocity

[-] Lojcs@piefed.social 4 points 2 months ago* (last edited 2 months ago)

Wikipedia says energy = GMm/r.

if g=GM/r² then energy = mgr, proportional to r given g is constant.

apologiesMy previous comment was wrong, I derivated while integrating.

[-] expr@piefed.social 2 points 2 months ago

I stated an assumption and was contributing to the conversation. Even if that assumption is incorrect, there's no need to be a dick about it.

It seems like a larger atmosphere would result in a longer duration exposed to atmospheric drag, thus requiring more fuel to overcome it.

this post was submitted on 13 Apr 2026
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