What shape is the universe?
Asher CohenBeing infinite, it has no shape. The observable universe is a sphere.
The observable universe is a sphere because light travels at a constant speed in the vacuum of space, allowing us to see equally far in all directions (the distance is limited by the sheer size vs. the time light has had to get to us). The entire universe is formless and cannot have a shape.
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Christopher AlesThe shape of the universe is currently believed to be flat according to the most recent observations and measurements.
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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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