At a cosmologically crisp one degree Kelvin (minus 458 degrees Fahrenheit), the Boomerang Nebula is the coldest known object in the Universe -- colder, in fact, than the faint afterglow of the Big Bang, which is the natural background temperature of space.
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope have taken a new look at this intriguing object to learn more about its frigid properties and determine its true shape, which has an eerily ghost-like appearance.
Ghostly Shape of 'Coldest Place in the Universe' Revealed
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- Category: Science News Archive (2013)
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