Why cant you here in space?

Answer 1

Because there is no atmosphere in space, therefore nothing can carry the sound waves of your vocal cords. Sound relies on pressure waves moving through air. Therefore, in the absolute vacuum of space, no sound can be heard at all.

Answer 2

Sound is actually vibrations in the air, and since ther is no air in space, there is no sound (in the vacuum of space). If you are talking about in a spaceship, however, there is usually air, and therefore sound exists and can be heard.

Answer 3

Sound waves need a medium, such as air or water, to travel through. In space, where there is essentially a vacuum, sound waves have no medium to propagate through, so there is no sound. Astronauts in space rely on radio communication inside their helmets to communicate.

Answer 4

Sound waves require matter to pass through. In space there is no matter for the waves to travel through.

Answer 5

Sound can only travel in the presence of a substance that can transmit the sound waves. Space is a vacuum, so sound does not travel through it.

Answer 6

because in space there is no air and there's no sound in space but u can hear people in space if u have a mic.

Answer 7

Sound needs matter to pass through to distribute the waves. There is no matter in the vacuum of space for a sound wave to travel through, so you can't hear anything in space.