Here's A New Glimpse Of The Coldest Place In The Universe
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The coolest place in space looks a bit like a tooth.
This is the Boomerang Nebula, a cloud of gas 5000 light years from Earth thought to be the coldest place in the universe.
The bluish background is what the nebula looks like in visible light. But the red shape, seen by the Atacama Large Millimeter/submillimeter Array (ALMA) observatory in Chile, is new to astronomers. It's the cold molecular gas that is expanding from the nebula's central dying star. And it's -273C, just one degree above absolute zero.
NRAO/AUI/NSF/NASA/STScI/JPL-Caltech