Cosmic sounds, black hole, time travel: Listen & Download Time travel, Cosmic sounds, black hole .mp3 Error! Change your browser, please! ⇓ Download Shot, Charging a laser gun ⚠ Cosmic wind ⚠ Comet ⚠ Spacecraft engine noise ⚠ Cosmic sounds ⚠ Alien conversation ⚠ Rocket flight ⚠ Work, stop, Alien device, start ⚠ Drone alien device ⚠ Spaceship flies by, laser gun shot ⚠ Spaceship in flight, low frequency drone ⚠ Spacecraft engine jamming ⚠ ★★★★★