Rosetta sets sights on destination comet

  • The Rosetta spacecraft has caught a first glimpse of its destination comet since waking up from deep-space hibernation on Jan. 20.

    The first images of comet 67P/Churyumov-Gerasimenko were taken on March 20 and 21 by the Optical, Spectroscopic and Infrared Remote Imaging System (OSIRIS) wide-angle camera and narrow-angle camera. Rosetta is an international mission spearheaded by the European Space Agency with support and instruments provided by NASA.

    The two images were taken at a distance of about three million miles (five million kilometers) and required a series of exposures of 60 to 300 seconds, taken with the wide-angle and narrow-angle camera.

    The imaging of 67P/Churyumov-Gerasimenko is part of six weeks of activities dedicated to preparing the spacecraft’s science instruments for close-up study of the comet.

    Rosetta has been traveling through the solar system for 10 years, and will arrive at the comet 67P/Churyumov–Gerasimenko in August of this year.

    Rosetta was reactivated Jan. 20 after a record 957 days in hibernation. The three U.S. instruments aboard Rosetta are the Microwave Instrument for the Rosetta Orbiter, Alice (an ultraviolet imaging spectrograph) and the Ion and Electron Sensor.

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