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Tag archives for Kepler 78b

New-found Earth-size Exoplanet Doomed

Astronomers announced this week that they have spotted a rocky Earth-size planet beyond our solar system, the smallest alien world accurately sized by observers to date. However, the super-hot planet is no second Earth, and according to theories, the distant world some 700 light-years away from Earth shouldn’t exist. The planet, Kepler-78b, was first discovered by…

New Exoplanet Circles Star in Less Than 9 Hours (and Is Covered by Molten Lava)

NASA’s Kepler Space Telescope has helped discover a new Earth-sized planet that has a year that lasts less time than an average work day or a good night’s sleep. Kepler 78b zips around its host star in a mere 8.5 hours — making this one of the shortest orbital periods ever detected. (See also: “Most…