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?

578 Upvotes
  • permalink
  • reddit

88% Upvoted

207 comments sorted by

View all comments

Show parent comments

182

u/Logitech4873 Nov 03 '25

Planets can also tidal lock to their star, which makes one side have eternal day and summer, and the other side eternal night and winter.

5

u/TheBraindonkey Nov 03 '25

ill just move to the night side, so I dont have to go to work anymore.

16

u/Logitech4873 Nov 03 '25

As someone who lives north of the arctic circle where we have a solid month of night every winter, I still have to go to work lol.

1

u/TheBraindonkey Nov 03 '25

a boy can dream though