What's the coldest thing in the universe?
At a positively frigid one Kelvin (that equates to –458 degrees Fahrenheit or –272 degrees Celsius), the Boomerang Nebula in the constellation Centaurus is officially the coldest known place in the entire Universe. It's even colder than the background temperature of space.
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE