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Bryllant t1_j9qmb43 wrote

Ripples would require sound or light or gravity or something else. It is just empty space


-imhe- t1_j9qshhy wrote

Not necessarily true. Gravitational waves are waves that travel through "empty" space. Very very recently they were the things of science fiction, so it is conceivable that the big bang and the resulting expansion, upon further observation, might indeed share properties with waves as we understand them.


KeyahnDP9 OP t1_j9qmh0e wrote

True. Then maybe it could be dark matter/energy?


Bryllant t1_j9qo1iy wrote

We are still trying to figure out dark matter, but that would be cool.