25 Aug 2022 7:26 am
AnnoyedLiberall » 07 Dec 2021, 4:10 pm » wrote: ↑ It has to make a sound.
Energy is displaced and moved.
Air molecules are moved...but without a receiver, aka: ear, there is no sound. The brain perceives it as sound.
"Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound."