Astronomers Prove That Two Potentially...
Gliese 581g , described as one of the most Earth-like planets when it was originally discovered four years ago, probably does not exist, researchers from Penn State University and the University of Texas at Austin report in the latest edition of the journal Science .
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“Geologist [I'm Climate Change]”
Since: Mar 07
#1 Jul 7, 2014
Hmm... Now you see em.. now you don't.
Looks like Gleise 581 is a classical star formed from a condensing disc with the disc eventually blown away. In the case of Gleise 581 the * doing the disc evaporation was likely an OB type star in the association where Gleise 581 formed. System now looks more classical in form.
Gleise 581 is not alone, Kapteyn's star is another star formed in the core of a condensing disc. It however (due to being a halo star associated with Omega centauri) has very little dust & it is likely that it was the * that blew away its surrounding disc leaving the planets behind. In old systems of this type, the radiation from the * blows away a lot of the light gas from the innermost planet.
Have a nice day: Ag
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