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A forming planet
“This artist’s conception shows the closest known planetary system to our own, called Epsilon Eridani. Observations from NASA’s Spitzer Space Telescope show that the system hosts two asteroid belts, in addition to previously identified candidate planets and an outer comet ring.” Images and description: NASA/JPL-Caltech. [Source: http://www.jpl.nasa.gov/news/news.cfm?release=2008–197]