We made a t-shirt of this disc before but here is some of the audio aliens will hear if they can figure out how to play it. “The disc features 116 images, animal sounds, the sounds of Earth’s elements, music from different styles and times, and the greetings you can hear on this video, spoken in 55 languages” all picked by Carl Sagan.
This video—created by Claire L. Evans—pairs the warm greetings with the skies of their countries of origin, as if these people were shouting at the stars. Claire says that she did it to highlight our loneliness, and the herculean task of SETI.
It will take forty thousand years for Voyager I to be within 1.6 light years of another star, after leaving the Solar System: AC+79 3888 in the Ophiuchus constellation.