Waspie_Dwarf Posted March 20, 2015 #1 Share Posted March 20, 2015 Rosetta's comet is spinning down The comet being observed by Europe's Rosetta satellite is very gradually spinning down.The icy dirt-ball takes 12.4 hours to complete one revolution, but mission controllers have noticed that this is extending by about a second a day. And this rate of change is increasing as Comet 67P gets more active. "The gas jets coming out of the comet - they are acting like thrusters and are slowing down the comet," said flight director Andrea Accomazzo. The European Space Agency official was speaking this week at the Royal Aeronautical Society in London. Read more... 1 Link to comment Share on other sites More sharing options...
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