3 ms·

Gravitational orbits lose energy over time. Not really relevant on human timescales but interesting trivia if nothing else.

• behehebd 7mo ago
  Due to friction? Or is it other physics?
  • Retric 7mo ago
    Gravitational waves, though in the vast majority of case they are extremely weak. https://en.wikipedia.org/wiki/Gravitational_wave https://en.wikipedia.org/wiki/Gravitational_wave