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*[http://news.bbc.co.uk/2/hi/8008683.stm 'Lightest' exoplanet discovered] | *[http://news.bbc.co.uk/2/hi/8008683.stm 'Lightest' exoplanet discovered] | ||
*[http://www.youtube.com/watch?v=wJXSSYyIVqw Gliese 581 (Gliza) habitable zone?] | *[http://www.youtube.com/watch?v=wJXSSYyIVqw Gliese 581 (Gliza) habitable zone?] | ||
*[http://www.centauri-dreams.org/?p=7397 Water World Around Gliese 581 | *[http://www.centauri-dreams.org/?p=7397 Water World Around Gliese 581] | ||
*[http://de.wikipedia.org/wiki/Habitable_Zone Habitable Zone] | |||
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