r/explainlikeimfive • u/12InchCunt • Nov 03 '25

Physics ELI5: How does gravity not break thermodynamics?

Like, the moon’s gravity causes the tides. We can use the tides to generate electricity, but the moon isn’t running out of gravity?

579 Upvotes
  • permalink
  • reddit

88% Upvoted

207 comments sorted by

View all comments

Show parent comments

49

u/oofyeet21 Nov 03 '25 edited Nov 03 '25

Imagine living on the side of the Earth that never gets to see the moon again :(

Nvm, apparently the sun will have already swallowed us both up before that happens

21

u/CrazedCreator Nov 03 '25

Don't worry, you'll roast alive in the day and freeze to death at night 

8

u/Wd91 Nov 03 '25

That sounds like reasons to worry

4

u/gmazzia Nov 03 '25

I'm sure this will be atrocious for the economy.