Too late, we've already sent self-addressed envelopes out into the Cosmos. http://www.exploringbinary.com/binary-code-on-the-pioneer-10-spacecraft/ http://www.

Too late, we've already sent self-addressed envelopes out into the Cosmos. http://www.exploringbinary.com/binary-code-on-the-pioneer-10-spacecraft/ http://www.exploringbinary.com/binary-code-on-the-pioneer-10...