The
probes PIONEER 10 and PIONEER 11, launched in 1972 and 1973, both carry
the space-age equivalent of a message in a bottle. The two crafts
explored Jupiter and Saturn, respectively, and then left our solar
system going in opposite directions. It was Carl Sagan's idea to bolt a
gold-plated plaque (shown below) to each of them for any ET who might
see it in the next 100 million years or so. The plaques show Earth's
position in the solar system; the sun's relationship to other stars; a
diagram of a hydrogen atom; and a sketch of a man and woman standing
next to the probe.Wednesday, 3 July 2013
The probes PIONEER 10 and PIONEER 11
The
probes PIONEER 10 and PIONEER 11, launched in 1972 and 1973, both carry
the space-age equivalent of a message in a bottle. The two crafts
explored Jupiter and Saturn, respectively, and then left our solar
system going in opposite directions. It was Carl Sagan's idea to bolt a
gold-plated plaque (shown below) to each of them for any ET who might
see it in the next 100 million years or so. The plaques show Earth's
position in the solar system; the sun's relationship to other stars; a
diagram of a hydrogen atom; and a sketch of a man and woman standing
next to the probe.
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