How Cold Is a Y Dwarf Star? Even You Are Warmer

Friday, August 26, 2011 - 19:00 in Astronomy & Space

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]

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