Courtesy of NASA
We all have heard of the story that the Voyager Spacecraft, launched on 1977 had a Golden disc inside containing both encoded sounds and images of Earth, in case of an alien encounter they would learn about our existence and culture. Although personally I think it was a very lame idea, and a waste of taxpayers money, I do find very exciting to know what actually was contained in those discs…
Mariluh's Own Personal Space in the Void 
What the experts are saying!