The Golden Record Cover |
In fact, NASA already did it. They placed the message to both Voyager 1 and 2. The message is said to be carried by a phonograph record. The phonograph record is a 12-inch gold plated copper disk. It contains sounds and images that show the life on this planets. The contents of the record are carefully selected by a committee chaired by Carl Sagan of Cornell University.
As of this moment, Voyager 1 and 2, together with the record, are already in space and are about to reach interstellar space.
You can read more about the golden record and Voyager 1 and 2 if you click the link below.