That's pretty interesting, hadnt thought about the unique geometries that allow flatness but still are unbounded. There doesn't appear to be any reason it would be a torus but I suppose there is no reason for it to be any shape, it just is whatever shape it is.
Tying to understand these concepts in a human mind is dizzying sometimes. I hope I can stay the course and continue studying and eventually join the effort to answer these questions
That I do understand, but I wasn't sure if heavier elements fuse while the star is still active or if there is absolutely no fusion beyond iron until it blows up
Does it happen anyway? I understand that it would take energy rather than give, but do the extreme conditions in the core of such a star cause the fusion to happen anyway and steal some of the stars energy?
joeyo1423 OP t1_j6mmmtg wrote
Reply to comment by adam12349 in ELI5: If the universe is flat, and therefore infinite in size, how could it have been condensed to a single point in the past? by joeyo1423
That's pretty interesting, hadnt thought about the unique geometries that allow flatness but still are unbounded. There doesn't appear to be any reason it would be a torus but I suppose there is no reason for it to be any shape, it just is whatever shape it is.
Tying to understand these concepts in a human mind is dizzying sometimes. I hope I can stay the course and continue studying and eventually join the effort to answer these questions