What is the coldest place in the universe? It's only *slightly* warmer than absolute zero.

·3 min read

From the blistering Sahara Desert to freezing Antarctica, extreme temperatures are not foreign to the 8.7 million species that inhabit Earth. However, Earth’s temperatures mostly fluctuate within a predictable range, making it hospitable for life. The same cannot be said for the universe.

The universe has a magnitude that’s hard to gauge – it’s constantly expanding and has no center due to which much of the universe is unexplored by humans. LiveScience reports space is very cold, colder than planets, moons or asteroids, due to the absence of energy-absorbing matter.

However, scientists have discovered a place that’s colder than the space. Here’s the coldest place in the universe.

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According to National Aeronautics and Space Administration, the coldest place in the known universe is the Boomerang Nebula.
According to National Aeronautics and Space Administration, the coldest place in the known universe is the Boomerang Nebula.

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What is the coldest place in the universe?

According to National Aeronautics and Space Administration, the coldest place in the universe is the Boomerang Nebula. NASA reported that “at a cosmologically crisp one degree Kelvin,” the Boomerang Nebula takes the title of the coldest place in the known universe.

One degree Kelvin translates to minus 458 degrees Fahrenheit or approximately minus 272 degrees Celsius. For comparison, the coldest recorded temperature on Earth is minus 128.6 degrees Fahrenheit in Vostok, Antarctica.

A nebula is a cloud or mist of gas and dust occurring in the interstellar space, according to Britannica. Located 5,000 light years away from Earth in the constellation Centaurus, the Boomerang Nebula is a relatively young planetary nebula, according to NASA. Planetary nebulae are stars in their end-of-life phases. These nebulae emit intense ultraviolet radiation, causing the gases to glow and produce vibrant-colored light.

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Is anything colder than space?

Revealed by astronomers Raghvendra Sahai and Lars-Åke Nyman in 1995, the Boomerang Nebula has a temperature lower than its background radiation, according to European Space Agency. It is only one degree warmer than absolute zero or zero on the Kelvin scale – it is the lowest temperature that’s theoretically possible.

Outer space has a baseline temperature of 2.7 Kelvin, minus 453.8 degrees Fahrenheit or minus 270.45 degrees Celsius, according to LiveScience. However, this temperature is not consistent throughout the solar system.

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What is the hottest place in the universe?

While there is no specific title-holder for the hottest place in the universe, a contender is the star at the center of the Red Spider Nebula.

The star's surface temperature is supposedly between 150,000 to 250,000 degrees Kelvin, but this is difficult to officially determine due to its thick dust shell. This star is one of the hottest known stars, according to NASA.

This article originally appeared on USA TODAY: Coldest place in the universe? Here's what NASA has to say