2016年5月5日 星期四

40 light years from Earth, 距離地球40光年

European Southern Observatory/AFP/Getty
40 light years from Earth
An artists impression released by the the European Southern Observatory shows an imagined view from close to one of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth that were discovered using the TRAPPIST (“Transiting Planets and PlanetesImals Small Telescope”) telescope at ESOs La Silla Observatory in Chile
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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)
This artist's impression shows an imagined view of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth that were discovered using a specialist telescope at ESO's La Silla Observatoryin Chile, according to new findings by an international team of astronomers, May 2, 2016. (Photo by M. Kornmesser/N. Risinger/Reuters/ESO)
The Day in Photos – May 3, 2016

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