It’s always crazy to me how empty most of space is, and that yet despite that gr...

Aerroon · 2024-10-05T05:05:21 1728104721

Well, the other forces have something to say about it too. If you compress stuff hard enough then the other forces will violently blow it apart.

Ancalagon · 2024-10-05T23:26:38 1728170798

Nah gravity would win (see: black holes)

whamlastxmas · 2024-10-04T22:16:32 1728080192

Something to do with the universe expanding faster than gravity could ever hope to pull things together right?

nojvek · 2024-10-05T10:36:26 1728124586

Also we don’t know why the universe is expanding. Not just expanding but accelerating. Why is spacetime itself stretching and what is doing it?

Yeah yeah dark matter blah blah, but it’s not a concise enough answer.

david-gpu · 2024-10-05T23:10:04 1728169804

Dark matter doesn't make the universe expand. It is massive, and thus it brings things together.

Dark energy, on the other hand, is the postulated cause of the expansion of the universe.

Edit: not a Physicist!