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Billion-Year Mashup

by Kevin Kelly on September 5th, 02007

In today’s New York Times, author Timothy Ferris writes an ode to the multi-media disc of human activity that was sent into the cosmos on the Voyager 1 spacecraft. Despite the harsh — though stable — conditions in space, Ferris, who produced the gold plated disc, believes this record will last one billion years. If he is correct, this tiny disc could be the human artifact with the greatest longevity every produced.

If all continues to go well, Voyager should pierce the heliosphere’s outer skin by around 2015. It will then depart into the void of interstellar space, where it is destined to wander among the stars forever. The information etched into the grooves of the Voyager record is expected to last at least one billion years. That’s a long time: A billion years ago, life on Earth was first venturing forth from the seas.

Mindful of this mind-boggling fact, the astronomers Carl Sagan and Frank Drake persuaded NASA to attach a gold-plated phonograph record to each of the Voyager spacecraft. Containing photographs, natural sounds of Earth and 90 minutes of music from all over our world, the record was intended to preserve something of human culture beyond what an intelligent extraterrestrial, encountering the craft at some far-distant time and place, might infer from the spacecraft itself.

The information etched into the grooves of the Voyager record is expected to last at least one billion years. That’s a long time: A billion years ago, life on Earth was first venturing forth from the seas.

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