How would a nuclear explosion look in space?

Answer 1

All flash, no boom.

The material that exploded would spread out symmetrically in all directions through space, hot enough to glow visibly.

However, since sound cannot travel through space, you would be deaf. Moreover, the mushroom cloud that is so familiar to you would not exist, nor would any sound that depends on an atmosphere.

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Answer 2

Nolan Aldridge

A nuclear explosion in space would appear as an intense burst of light and radiation expanding outward in all directions, rather than the mushroom cloud that is typical of an explosion on Earth because there is no atmosphere to contain and shape the blast.

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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.