"An artist's impression of an imminent planetary collision around a pair of double stars. NASA's Spitzer Space Telescope found evidence that such collisions could be common around a certain type of tight double, or binary, star systems, referred to as RS Canum Venaticorums or RS CVns for short. The stars are similar to the sun in age and mass, but they orbit tightly around each other."
Picture: AFP/GETTY IMAGES
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