News tagged with comet nucleus

Image: Increasingly active Comet 67P

On 13 August 2015, Comet 67P/Churyumov–Gerasimenko will reach its closest point to the Sun along its 6.5-year long orbit. It will be around 185 million km from the Sun at 'perihelion', between the orbits of Earth and Mars.

dateJul 01, 2015 in Space Exploration
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Rosetta tracks debris around comet

Ever since its approach to and arrival at Comet 67P/Churyumov–Gerasimenko, Rosetta has been investigating the nucleus and its environment with a variety of instruments and techniques. One key area is the study of dust grains ...

dateJun 23, 2015 in Space Exploration
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MIRO maps water in comet's coma

MIRO, the Microwave Instrument for the Rosetta Orbiter, first detected the emission from water molecules in the coma of Comet 67P/C-G on 6 June 2014, when Rosetta was 350,000 km from the comet, approximately equivalent to ...

dateJun 22, 2015 in Space Exploration
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A first peek beneath the surface of a comet

In some of the first research findings to be published from the European Space Agency's Rosetta Mission to the comet 67P/Churyumov-Gerasimenko, scientists including astronomer Peter Schloerb of the University of Massachusetts ...

dateJan 22, 2015 in Space Exploration
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Image: Rosetta spies comet surface variations

A new image of comet 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet's nucleus. It was taken by the Rosetta spacecraft's OSIRIS narrow-angle camera on August 7, 2014. At the time, the spacecraft ...

dateAug 18, 2014 in Space Exploration
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