Is light attached to space?

Well?

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What is "space"?

I suppose everything is "attached" to space in that sense, which is probably why gravity affects everything.

space-time I guess? whatever it is that GR says it is

do gravitational waves operate on the same thing that cosmological expansion does?

Bump

today i gave up on cosmology

youtu.be/og5MPEzpKX8

everything is attached to space IDIOT

wait, but then that means everything is also attached to light????

I give up when I discovered that all the fundamental proof they have to claim something like the Big Bang and the expansion of the universe was some distant almost unnoticeable lights being a little more red than normal and the assumption of that being because of Doppler effect.

If you're gonna claim that the whole universe is exploding you need a stronger proof than that.