After a complex journey using the Earth and Mars as gravity slings to travel some 6.4 billion kilometers over a period of nearly 10.5 years, , the European Space Agency announced the arrival of the Rosetta spacecraft in orbit around comet 67P/Churyumov-Gerasimenko. Rosetta will be the first mission ever to orbit a comet’s nucleus and land a probe on its surface. It will also be the first spacecraft to fly alongside a comet as it heads towards the inner Solar System, watching how a frozen comet is transformed by the warmth of the Sun.
Rosetta probe rendevous with comet
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