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Coldest Star Found—No Hotter Than Fresh Coffee

According to a new study, a star discovered 75 light-years away is no warmer than a freshly brewed cup of coffee.

Dubbed CFBDSIR 1458 10b, the star is what’s called a brown dwarf. These oddball objects are often called failed stars, because they have starlike heat and chemical properties but don’t have enough mass for the crush of gravity to ignite nuclear fusion at their cores.

With surface temperatures hovering around 206 degrees F (97 degrees C), the newfound star is the coldest brown dwarf seen to date.

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