Perth Thread

[fat lesbian]

im just clownin nik, tbh that all went way over my head... but we can talk key changes and time signatures all day!!

serious question tho, im honestly invested in the answer to this: aren't all these black holes and supernovas and whathaveyou like tens and hundreds of light years away? If so, wouldn't that mean if something is say 100 light years away and we pick up telescopic visuals of it now, we're really looking at an image from 1920 at the absolute most recent? Am I not understanding this particular measurement of distance or is the time latency just an accepted thing?? Inquiring minds wanna know

you were also not wrong and yes, that’s just an accepted thing actually. a lot of the things we see were probably gone way before the earf ever formed. there are more factors than just that though like the expansion of spacetime itself which is not constrained by the speed of light (it is obviously not bound by the same rules as like uhh things) which is why the edge of the observable universe is farther away in light years than the universe is old in years. so the further things are the faster they’re moving away from us. but keep in mind this only really matters when things aren’t gravitationally bound. so like things within galaxies won’t be affected by this in relation to each other for an extremely long time. like 10 to some exponent i don’t feel like looking up years. this one is in the milky way tho so yea it’s about 25000 years old lol