Does the universe expand in all directions?
Yes.
Assuming the universe expands in all directions and a "Big Bang" theory origin, it is expanding everywhere.
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Yes, there is an infinite expansion of the universe.
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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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- What is the Hubble Constant?
- When looking at a spectrum of light from a star, how can we tell that the light has undergone red shift (or blue shift)?
- How long has the universe been expanding?
- How large is the observable universe?

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