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The artist's impression provided by European Southern Observatory on May 2, 2016 shows an imagined view from the surface one of the three planets orbiting an ultracool dwarf star just 40 light-years from earth that were discovered using the TRAPPIST telescope at ESO's La Silla Observatory. It's the first time planets have been found around this type of star – and it opens up new, rich territory in the search for extraterrestrial life. Because this star is so close and so faint, astronomers can study the atmospheres of these three temperate exoplanets and, eventually, hunt for signs of possible life. (Photo by M. Kornmesser/ESO via AP)
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