We don't know if the universe had a beginning or not, but we can observe that the past is more ordered and the present is moving towards disorder. We don't know why.
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Brian Cox is pretty interesting.
Replies to: "Brian Cox is pretty interesting."
- If space is expanding at a fast pace, what is it expanding into? [NT]
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- jimbasil - 3:52pm 3/21/26
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- Brian Cox is pretty interesting. - iairishcheeks - 5:02pm 3/21/26
- Don't physicists think time began at or about the Big Bang? - NedoftheHill - 5:13pm 3/21/26
- I think that's part of Einstein's physics, space-time began at the big bang. - iairishcheeks - 5:46pm 3/21/26
- Don't physicists think time began at or about the Big Bang? - NedoftheHill - 5:13pm 3/21/26
- You might also ask what existed before time began. - NedoftheHill - 4:53pm 3/21/26
- Brian Cox is pretty interesting. - iairishcheeks - 5:02pm 3/21/26
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