Saturday, November 10, 2007
Fraser Cain mentions that the Rosetta spacecraft is going to be making a close encounter with Earth on November 13, 2007. It is doing a fly-by to pick up some speed on the way to Comet 67/P Churyumov-Gerasimenko. Fraser writes a good explanation of gravity assist and why Rosetta is flying back by Earth if the comet is out in space. If you don't know how spaceships can use gravity to speed up, go read it. After that, say hello to Rosetta on November 13.
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