ESA's Rosetta comet-chaser is en route to its main target, comet 67P/
Churyumov-Gerasimenko, arriving in 2014. On Saturday, 10 July, it will fly past the previously unvisited asteroid Lutetia.
This is an important milestone in Rosetta's long voyage, which began
in 2004, and marks a rare opportunity to observe a primitive body such
as an asteroid.
After encountering Lutetia, Rosetta will not perform scientific
activities until reaching Churyumov-Gerasimenko in May 2014. It will
then observe the comet for 18 months, releasing a lander onto the comet
in November 2014.
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