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Hubble's Fetching Auroras On Uranus

By Editor 11 April 2017

Enlarge Image NASA has spacecraft in residence at Jupiter and Saturn, so Uranus may be feeling a little neglected. Don't worry, Uranus, the Hubble Space Telescope has its eyes on you. NASA and the European Space Agency released a fascinating image of auroras on the ice-giant planet on Monday. The composite picture combines a Voyager 2 image and Hubble's observations. Auroras start as streams of charged particles. "They become caught in powerful magnetic fields and are channeled into the upper atmosphere, where their interactions with gas particles, such as oxygen or nitrogen, set off spectacular bursts of light," the ESA says.