Is There Sound in Space?

Is it possible to hear sounds in space? The short answer is no . . . mostly! 😀

A scene from 2001: A Space Odyssey, one the few science fiction movies to depict total silence in its scenes in space, and also one of Mr. Yuck’s favorite movies!

In almost every science fiction movies or TV show, you hear spaceships speeding through space or shooting laser beams. That is entertaining, but sound doesn’t work this way in real life. Sound doesn’t travel in a vacuum, and much of space is a vacuum, so that should be an easy answer.

But . . . to be completely correct, not all of space is a vacuum. It’s full of clouds of gas and dust that are the remains of old stars or the beginnings of new ones. And sometimes that gas is dense enough to carry sound waves, just not sound perceptible to humans.

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