What happened before the Big Bang?
Ariana AcostaInflation, a quantum phenomenon.
The universe expanded quickly during the inflationary era because it began in a false vacuum and eventually descended to its true vacuum.
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Hunter ArthurCosmologists continue to debate what preceded the Big Bang; current theories contend that the Big Bang destroys our ability to understand time and space, making it impossible to explain events that occurred before. Other theories suggest that there may have been a pre-Big Bang phase or multiverse, but there is insufficient evidence to support any particular theory.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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