Movies make space loud and dramatic, but real science tells a very different story. In space, there is no air. And without air, sound has nothing to travel through. That means if you shout, scream, or even trigger a massive explosion outside a spacecraft, it would happen in complete silence. No echo. No noise. Just pure, silent space. That’s why astronauts don’t “talk” to each other during spacewalks. Their helmets use radios to turn their voices into signals that are sent wirelessly to the othe

Properties of Sound | Learn with BYJU'S