Is intergalactic travel possible or improbable? Why so?
Improbable.
Reference for intergalactic space (IGS): www.universe today/empty 30280/intergalactic-space. The very hot hydrogen plasma in the void (one highly compressed and confined atom in a cubic meter) is highly conductive to produce nuclear fusion; this density increases with distance from the galaxy.
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Because of the vast distances between galaxies, the limitations of current propulsion technologies, and the difficulties of maintaining life over extended periods of time in space, intergalactic travel is currently regarded as improbable. Furthermore, the vastness of space and the lack of known practical methods to overcome these obstacles make intergalactic travel unlikely in the near future.
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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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