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Carnival of Space 275
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2. Centauri Dreams – t 42 light years from Earth, the star HD 40307 is reasonably within the Sun’s neighborhood, so the news of a potentially habitable planet there catches the eye. HD 40307 is a K-class dwarf, one previously known to be orbited by three super-Earths — with masses between the Earth and Neptune — that are too close to the star to support liquid water on the surface. Now we have the discovery, announced in a new paper in Astronomy & Astrophysics, of three more super-Earth candidates found by digging into data from HARPS (the High Accuracy Radial Velocity Planet Searcher) and HIRES (the High Resolution Echelle Spectrograph).
See more and subscribe to NextBigFuture at 2012-11-11 14:02:12 Source: http://nextbigfuture.com/2012/11/carnival-of-space-275.html
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