exoplanet

The Hubble Space Telescope has spied five alien worlds around distant stars that show clear signs of water vapor filling their atmospheres, according to a new study. The find represents the first conclusive detection and comparison of water vapor in the atmosphere of planets orbiting nearby stars. While they all have unromantic names like WASP-17b,…

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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…

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After cataloging nearly a thousand worlds beyond our solar system, astronomers can now for the first time forecast cloudy skies on a distant exoplanet. While the above image may not resemble a weather map, it shows a first look at clouds on a hot, Jupiter-like world dubbed Kepler 7b, which resides nearly 1000 light years…

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After cataloging nearly a thousand worlds beyond our solar system, astronomers can now for the first time forecast cloudy skies on a distant exoplanet. While the above image may not resemble a weather map, it shows a first look at clouds on a hot, Jupiter-like world dubbed Kepler 7b, which resides nearly 1000 light years…

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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…

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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…

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Astronomers believe they have found an alien solar system packed with a record-breaking three potentially habitable worlds. New observations of the star Gliese 667C—about one-third the mass of our sun—is home to between five and seven planets, three of which are classified as super-Earths. All three are larger than our own planet, but smaller than…

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