“All” I know about physics I learned from 2 sources: The book A Brief History of Time and the TV show The Big Bang Theory. In page 46 of that book, it says: “events before the big bang can have no consequences, so they should not form part of a scientific model of the universe”.
Wasn’t the big bang the beginning? Then, is the statement “events before the big bang” incorrect? If there were events before the beginning, then the universe is eternal, and, if eternal, it would be nonsense to speak about “a beginning”.
Can someone explain?
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4 comments
Feel free to reply to any comment by clicking the "Reply" button.Your quote from Hawking (page 50 in my edition) is immediately followed by the sentence: "We should therefore cut them out of the model and say that time has a beginning at the big bang."
Of course, once you say that, it does indeed become meaningless to talk about "before the big bang". Hawking put his sentences in the correct order!
Coffeo
Level 8
June 11, 2018
0
You are a universe yourself. You came into existence at certain point in time (your own big bang if you will).... Prior your conception, sure enough there were events that lead to your beginning. Does that mean you existed before, therefore you have been ethernal so far?
IamNobody
Level 8
June 11, 2018
1
My bad, I was talking to @COGITOERGOSUM, so now you know
how can they say they have no consequences?
btroje
Level 9
June 11, 2018
0
Kind of another dogma, I fear.
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