Space/Science — HabitableZone

Space/Science » in reply to Try millions of years

One more - KEO

This satellite will remain in Earth orbit for 50,000 years and then return,
carrying lots of information and messages for who or whatever is on
our planet by then:

http://www.keo.org/

The storage capacity of KEO allows every person on Earth to send the
equivalent of a 4-page letter to the future. The deadline is December 31, 2008, so hurry!

http://en.wikipedia.org/wiki/KEO

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