Exoplanet Found to Have Dense Atmosphere:

Discussion in 'Astronomy, Exobiology, & Cosmology' started by paddoboy, Jan 25, 2017.

  1. paddoboy Valued Senior Member

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    https://www.scientificamerican.com/...ir-herald-a-new-era-of-exoplanet-discoveries/

    Signs of Alien Air Herald a New Era of Exoplanet Discoveries
    New efforts hint that nearby world GJ 1132 b may have an Earth-like atmosphere with water and methane

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    This artist's rendition shows the Earth-mass planet GJ 1132b circling its parent star. New observations suggest the planet's thick atmosphere may harbor water or methane. Credit: Dana Berry / Skyworks Digital / CfA


    For astronomers seeking Earth twins around other stars, the exoplanet GJ 1132 b probably isn’t an identical sibling—but it may be the closest cousin yet found. It weighs in at just over one Earth mass, but circles its star in a warm orbit that could make it more like Venus than our own world. Moreover, its diameter is nearly 50 percent larger than that of Earth, suggesting it possesses a thick atmosphere. Now, after taking the closest-ever look at GJ 1132 b, a European collaboration has confirmed the presence of its atmosphere and found hints it might contain water and methane. The results are currently under review for publication in The Astrophysical Journal.

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    https://www.scientificamerican.com/...ir-herald-a-new-era-of-exoplanet-discoveries/
     
    Walter L. Wagner likes this.
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  3. Walter L. Wagner Cosmic Truth Seeker Valued Senior Member

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    Those are the conditions for life. We should send a probe!
     
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