It’s said that the universe goes on forever but how do we know?
In: Earth Science
My understanding is that they don’t think its infinite and rather has a distinct boarder that is constantly pushing outwards. At some point that boarder will cease to expand and will spring inwards in an event they refer to as “the big crunch”. Then once everything is as tightly packed as it physics’lly (see what I did there?) can be into a single point this will trigger a big bang, and thus the cycle begins again bringing with it life and taxes.
They figured this out by kind of correlating or looking at many things like heat death and light travel and brightness and movement of particles and figured out that it was a system still in motion
Edit: wanted to add the term physics’lly
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