That everything really is actually repeated and will be repeated?
2007-01-20 09:41:42 · 9 answers · asked by Source 4 in Science & Mathematics ➔ Astronomy & Space
No, this certainly hasn't been proven.
There is an interesting conjecture in cosmology that argues as follows:
1) The Universe we know and can know is finite---it is limited by our event horizon (40 billion lightyears in diameter) and time since the Big Bang (13.7 billion years).
2) Since, as far as we understand nowdays, all the particle fields are quantized, there are actually a finite number of possible past histories of the Universe. Huge, but finite.
3) There may, however, be an infinite number of Big Bangs in some cosmologies.
4) Given a finite number of possible histories and an infinite number of Big Bangs, each possible history must occur an infinite number of times.
Of course we only know of one Big Bang, so extrapolating to an infinite number of them is pure speculation. Also, perhaps we do not understand quantum mechanics and particle fields as well as we might.
2007-01-20 09:52:35 · answer #1 · answered by cosmo 7 · 0⤊ 0⤋
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2016-12-12 16:12:36 · answer #2 · answered by ? 4 · 0⤊ 0⤋
No.
However its very likely that tiny particles at the Planck length travel slightly in time as they appear and vanish - not just forward in time either.
2007-01-20 09:50:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋
There was a theory about an oscilating universe where time ran backwards and then forward. But it has discounted.
2007-01-27 04:14:07 · answer #4 · answered by Anonymous · 0⤊ 0⤋
no. it is not yet possible for that to happen, because the matter that would case that has to increase for another 5 billion years.
2007-01-28 09:17:31 · answer #5 · answered by connor n 2 · 0⤊ 0⤋
not proven. just thoery. believe what u want
2007-01-26 13:35:04 · answer #6 · answered by Anonymous · 0⤊ 0⤋
i think i already answered this question or was it deja vu
2007-01-20 10:01:16 · answer #7 · answered by blinkky winkky 5 · 0⤊ 0⤋
No, that has not been proved.
2007-01-20 09:51:41 · answer #8 · answered by campbelp2002 7 · 0⤊ 0⤋
No .... No ..... No ..... No ...... No ...... No ..... No
2007-01-20 10:43:17 · answer #9 · answered by Zefram 2 · 0⤊ 0⤋