06. Why can we talk inside the spaceship, but not outside? (A K2S Question)

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Space is a vacuum and therefore no sound occurs because sound waves require atmosphere to travel. There is no atmosphere in space. You need a spacesuit to survive and some sort of radio to talk to others who are also in spacesuits. Inside the spaceship, we have a manmade atmosphere, and communication is normal because sound can travel in air.

Answer provided by Lonnie Moffitt & Cdr. USN Robert L. Curbeam


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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