Alien Life

  • Astronomers generally expect planets with liquid water to exist close to their parent star. But new research shows that some planets orbiting at the same distance as Saturn could have lakes and oceans.
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  • An international team of astronomers has set out on the largest program to date exploring the alien atmospheres of "Hot Jupiters."
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  • Astrobiology Magazine is launching a new blog -- AstroTurf -- written by science historian Richard Milner. In this first post, Milner writes about an internet hoax created to promote Hollywood's latest "Planet of the Apes" movie.
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  • Are crop circles a sign of alien intelligence... or are they an example of how Earth-based artists are using physics to create environmental art.
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  • Os círculos em plantações são um sinal de vida alienígena... ou eles são um exemplo de como artistas da Terra estão usando a física para criar arte ambiental.
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  • Sulfurous molecules seen on alien worlds might indicate those distant planets host life, researchers suggest.
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  • Astronomers are providing new information about the potential for habitable planets in the Gliese 581 system. New data shows that the system's host star, Gliese 581, is relatively quiet. This increases the chances that one of the planets in the system could support environments for
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  • Astronomers are providing new information about the potential for habitable planets in the Gliese 581 system. New data shows that the system's host star, Gliese 581, is relatively quiet. This increases the chances that one of the planets in the system could support environments for
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  • Gliese 581d: A Habitable Exoplanet?
    A new computer model that simulates possible exoplanet climates indicates that the planet Gliese 581d might be warm enough to have oceans, clouds and rainfall. Gliese 581d is likely to be a rocky planet with a mass at least seven times that of Earth.
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  • A recent study says that a particular mathematical technique could be used to detect forests on extrasolar planets.
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