Saturn's Nighttime Light Show
These pictures show the stunning aurora at Saturn’s north pole, which were photographed by the Hubble Space Telescope. Aurora come in many colours, determined by the chemicals in a planet’s atmosphere. On Earth, the lights appear green when the Sun’s particles collide with oxygen and red when they hit a chemical called nitrogen.
Credit:
ESA/Hubble, NASA, A. Simon (GSFC) and the OPAL Team, J. DePasquale (STScI), L. Lamy (Observatoire de Paris)
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