At 17.4 billion km away from Earth, Voyager 1 is about to leave our solar system and enter interstellar space, the furthest a man made object has ever travelled. Incredibly, some 33 years after launch it is still sending information back to us.
Voyager 1
full story here
This plaque is on the side of the space craft, and describes who we are and where we live:
Vogager 1 Plaque
Both Voyager 1 and 2 also carry golden records; containing a collection of greetings, sounds and images, full content here
Tags: Space