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 ...

date7 hours ago 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 ...

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 ...

dateJun 22, 2015 in Space Exploration
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Image: Rosetta's target up close

(Phys.org) —Close up detail focusing on a smooth region on the 'base' of the 'body' section of comet 67P/Churyumov-Gerasimenko. The image was taken by Rosetta's Onboard Scientific Imaging System (OSIRIS) ...

dateAug 07, 2014 in Space Exploration
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How Rosetta arrives at a comet

After travelling nearly 6.4 billion kilometres through the Solar System, ESA's Rosetta is closing in on its target. But how does a spacecraft actually arrive at a comet?

dateAug 01, 2014 in Space Exploration
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