A mammoth spinning vortex is seen on Saturn, in this "false-color" photograph released by NASA Monday. The image was captured by the Cassini spacecraft. A related image, presenting what a human eye would see, is farther down this page. NASA hide caption

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Three PhoneSats, like the one seen here during a high-altitude balloon test, were launched into space on Sunday. The slightly modified cellphone satellites cost a few thousand dollars in parts. NASA Ames Research Center hide caption

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The Antares rocket lifts off from the launchpad at the NASA facility on Wallops Island Va., Sunday, beginning a test mission that has now been deemed a success. The Orbital Sciences Corp. rocket will eventually deliver supplies to the International Space Station. Steve Helber/AP hide caption

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Another meteor shower, the Geminid, sparkled over the Spanish canary island of Tenerife on Dec. 13, 2012. AFP/AFP/Getty Images hide caption

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