File:JPL Visions of the Future, PSO J318.5-22.png

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Description	English: Caption from source: Discovered in October 2013 using direct imaging, PSO J318.5-22 belongs to a special class of planets called rogue, or free-floating, planets. Wandering alone in the galaxy, they do not orbit a parent star. Not much is known about how these planets come to exist, but scientists theorize that they may be either failed stars or planets ejected from very young systems after an encounter with another planet. These rogue planets glow faintly from the heat of their formation. Once they cool down, they will be dancing in the dark.
Date	18 March 2016
Source	Jet Propulsion Laboratory (JPL): Visions of the Future: https://www.jpl.nasa.gov/visions-of-the-future/ / Background: https://www.jpl.nasa.gov/visions-of-the-future/about.php / Image Use Policy: https://www.jpl.nasa.gov/imagepolicy/
Author	Jet Propulsion Laboratory (JPL) / NASA («Courtesy NASA/JPL-Caltech»)
Other versions	JPEG version

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