NASA turns ‘light echoes’ from a black hole into ‘music’, HERE’s how it sounds – Firstpost Post author By Mark Post date November 29, 2022 NASA said that the black hole in the video – V404 Cygni – is 7800 light years away from Earth. read more ← Egg dropped from space didn’t crack; Ex-NASA engineer’s experiment goes viral → New Haven students witness NASA’s Artemis rocket launch in Florida