There is a Boomerang Nebula in the universe, which is colder than the rest of the universe – about 1 Kelvin, or minus 272 degrees Celsius.
A team of researchers at a laboratory at the University of Kyoto in Japan has created the coldest object even in the deepest space. This was reported by Space.
Specifically, the experimenters used fermions – as physicists call any particles that make up matter, including electrons, protons and neutrons. The team cooled atoms of the element ytterbium to about one billionth of a degree above absolute zero, the hypothetical temperature at which all atomic motion stops.
According to scientists, interstellar space is not so cold due to the fact that it is equally full of cosmic microwave background radiation. The resulting cooled object is even colder than the coldest known region of space, the Boomerang Nebula, located 3,000 light-years from Earth, just one degree above absolute zero.
To cool this matter, experts used lasers, which limit the movement of 300,000 atoms in an optical lattice. The experiment mimics a model of quantum physics first proposed in 1963 by theoretical physicist John Hubbard.
“The benefit of this experiment is that physics is really changing. Physics is starting to become more quantum mechanical and allows us to observe new phenomena,” the scientists said.
Earlier it was reported that NASA released an interactive map of the solar system, which allows you to follow the planets, moon, asteroids and comets – from 1949 to 2049.
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Source: korrespondent
