Light traveled half way across the night sky in less than 2 seconds and then vanished with no sound at all.I saw what looked like airplane lights moving from east to west (facing south), except the light traveled half way across the sky in ~2 seconds and then vanished. About one month ago, I witnessed this same event and had convinced myself that I was seeing things. But tonight (I smoke outside which is why I am outside a lot), I know what I saw. The first time it happened - one month ago, the only difference was the light traveled from west to east (facing south).I am anxious now to know whether anyone else saw this. Thanks for having this website available for public use.