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Rosetta's amazing selfie with a comet: Here's why it was taken
Rosetta's amazing selfie with a comet: Here's why it was taken

A spacecraft, a selfie and a comet. What could be better? This week the European Space Agency released what it calls "selfie at comet" — a picture of one of the Rosetta spacecraft's 45-foot solar arrays with the rubber-duck shaped comet 67P/Churyumov-Gerasimenko illuminated in the background. The spacecraft was about 30 miles from the comet when the two images that make up the picture you see above were taken.  The picture is not a true selfie in the technical sense. It was captured by microcameras on the Philae lander, a separate spacecraft that Rosetta has carried on a decade long journey through the solar system. In November, the ESA plans to send Philae to...

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