I tried this to un-confuse it: How fast does light travel in a vacuum? The speed of light is 299,792,458 meters per second. How fast does sound travel in a v

I tried this to un-confuse it: How fast does light travel in a vacuum? The speed of light is 299,792,458 meters per second. How fast does sound travel in a vacuum? Then it told me: Sound cannot travel through a vacuum because there are no molecules to vibrate and transmit the energy from one place to another. As brucethemoose mentioned, 0 temperature.