Quote:
Originally posted by ShankS
here's one,
at what rate in speed and at what length will the universe continue to expand?? Will it slow down, speed up, will it implode on itself, reducing our solar system to nowt.
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1 very fast
2. some very snart people say yes. and some very smart people say no . some ask the question will the universe continue to expandafter all the stars have died?well the force of gravity governs the fate of the universe. so the question becomes is there enough matter and energy in the universe to slow and stop the expansion and since really only 10% of thenormal matter in the universe is needed to halt the expanson
3.it wont implode, but some say that it wil lstart to shrink again . (who knows what then maybe it will start all over again. so really jus thow many times have i wrote this post?)
4. yes as the sun dies it wil lexpand swallowing the earth or maybe even mars. then it will become a red giant and after a billion years or so it eject a short lived plantary nebula surrounding the cooling core the it will just become a white dwarf for a few billion yearswith little or no nuclear fusion to slow or stop the cooling. thus slowly fading from view.