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Why isn't there any sound in space? An astronomer explains why in space no one can hear you scream

  • Written by Chris Impey, University Distinguished Professor of Astronomy, University of Arizona
imageMatter in deep space is very spread out, which makes it impossible for any sound waves to travel. NASA, ESA, CSA, STScIimage

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How far can sound travel through space, since it’s so empty? Is...

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