One side of the disk contains a graphic teaser. The design shows headlines in the eight major languages of the world today spiraling inward in ever-decreasing size till it becomes so small you have trouble reading it, yet the text goes on getting smaller. The sentences announce: "Languages of the World: This is an archive of over 1,500 human languages assembled in the year 02008 C.E. Magnify 1,000 times to find over 13,000 pages of language documentation." [...]
So assuming the mission continues well, in 2014 the Rosetta Probe will land on Comet 67P/Churyumov-Gerasimenko, where it will measure the comet's molecular composition. Then it will remain at rest as the comet orbits the sun for hundreds of millions of years. So somewhere in the solar system, where it is safe but hard to reach, a backup sample of human languages is stored, in case we need one.
The Rosetta Disc is now safely installed on 67P/Churyumov-Gerasimenko.
Current Music: CoLD SToRAGE -- Body In Motion ♬
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Location: 37° 46' 15.17" N, 122° 24' 45.79" W