Slowing Rosetta

The Rosetta spacecraft is about to fire thrusters to slow down in preparation for its comet encounter in a few months.

Nine thruster burns between 21 May and 05 August (plus kind of a practice burn earlier this month) will slow Rosetta from 750 ms  to just 1 ms so the encounter with comet 67P/Churyumov-Gerasimenko. The distance to the comet will decrease from a million kilometers to just 200 during this time.

video.

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