Bok
08-27-2011, 04:54 AM
Scientists have discovered the coldest type of star-like bodies known, which at times can be cooler than the human body.
Astronomers had unsuccessfully pursued these dark entities, called Y dwarfs, ever since their existence was theorized more than a decade ago. They are nearly impossible to see relying on visible light, but with the infrared vision of NASA's WISE space telescope , researchers finally detected the faint glow of six Y dwarfs relatively close to our sun, within a distance of about 40 light-years.
[More] (http://www.scientificamerican.com/article.cfm?id=how-cold-is-a-y-dwarf-star)
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Astronomers had unsuccessfully pursued these dark entities, called Y dwarfs, ever since their existence was theorized more than a decade ago. They are nearly impossible to see relying on visible light, but with the infrared vision of NASA's WISE space telescope , researchers finally detected the faint glow of six Y dwarfs relatively close to our sun, within a distance of about 40 light-years.
[More] (http://www.scientificamerican.com/article.cfm?id=how-cold-is-a-y-dwarf-star)
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