Do scientists know how many supernovae are occurring per second or hour or day in our entire universe?

Answer 1

No.

The sensitivity and capability of the equipment we use determines our capacity to find a supernova.

In that regard, the Hubble was a huge advancement for us, and the James Webb spacecraft, which will replace it, will be even more so.

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Answer 2

The observable universe is thought to produce one supernova every second on average, though this number can fluctuate over time and between different regions of the universe.

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Answer from HIX Tutor

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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