He approached Carl Sagan about his idea, which eventually resulted in the Pioneer plaque.
In this regard the Pioneer 11 plaque is somewhat inaccurate.
Physical messages like that of the Pioneer plaque may also be considered an active SETI message.
The pulsar map and hydrogen molecule diagram are shared in common with the Pioneer plaque.
The Pioneer plaques were a pair of plaques that were launched into deep space on Pioneer 10 and Pioneer 11.
Drake co-designed the Pioneer plaque with Carl Sagan in 1972, the first physical message sent into space.
The spacecraft also carried one of two plaques, the Pioneer plaques.
In space, the Pioneer plaques, the Voyager Golden Record, and radio waves would outlast the Earth itself.
The cover art was taken from the Pioneer plaque.
The famous Pioneer plaque was made of this particular alloy.