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Comet collision

Comet 67P/CG as photographed on July 14, 2014 from the Rosetta spacecraft from a distance of about 12 thousand km. Photo: Credits: ESA/Rosetta/MPS for the OSIRIS team

Rosetta approaches an unusual comet

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An artist's rendering illustrates the model that explains Alma's observations of the star Beta Pictoris. At the outer edge of the system we feel the gravitational influence of a hypothetical giant planet that captures comets and turns them into a swarm where collisions occur all the time. Image: NASA Goddard Space Flight Center/F. Reddy

Get to know the solar system where comets collide every five minutes

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