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Universal Language
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Paris, France: The Rosetta space probe uses one of the "universal" languages: that of chemistry, and has been adopted by the Inttranet as a symbol of the link between science and speech. Its mission is to rendezvous with, and land on Comet 67P/Churyumov-Gerasimenko in November 2014.
The main activity in this reporting period was the successful first in-flight test of the Near Sun Hibernation Mode (NSHM), during which the spacecraft spent five days in this special low activity mode, with attitude controlled via Star Tracker and thrusters only (gyroscopes and reaction wheels are inactive).
The probe is named after the Rosetta Stone, an incomplete stela of black basalt discovered in 1799 incised with the same text in three scripts: Egyptian Hieroglyphs, Egyptian Demotic and Greek. The Stone provided the key to deciphering hieroglyphs and the history of ancient Egypt. The Rosetta space mission has a similar purpose: deciphering other stones (asteroids) and the history of the solar system.
At the end of the last New Norcia pass in the reporting period (DOY 112) Rosetta was at 16.02 million km from the Earth. The one-way signal travel time was 53.4 seconds.
For more information, please visit:
sci.esa.int/jump.cfm?oid=37015
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