Carl Sagan’s Pulsar Map Relative position of the Sun to the center of the Galaxy and 14 pulsars with their periods denoted. The lengths of the lines show the relative distances of the pulsars to the Sun. ..... (I'd love this as a tattoo on the side of my thigh. I'm a huge astrophysics nerd, and this is a gorgeous piece of geometry, physics and astronomy all rolled into one!)
the golden record images -Famous "Voyager 1" spacecraft was launched by NASA on September 5, 1977. Despite its primary missions (to study the outer Solar System and interstellar medium) the spacecraft had another – to send a message to other life forms in the universe.
The Voyager Spacecraft's Golden Record containing music (Bach, Stravinsky, Chuck Berry), images (the planets of the solar system, the wonders of earth, human beings) and even a star map, locating our exact position in the galaxy. Carl Sagan headed up this most extraordinary achievement of human kind.