Are cepheid variable stars brighter than the sun?

Answer 1

Yes. See image:

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Answer 2

Yes, Cepheid variable stars are brighter than the Sun in general. At their brightest phases, these stars can be tens of thousands of times brighter than the Sun. Their brightness variations are caused by periodic changes in their intrinsic luminosity.

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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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