The astronomers of Moscow state University the first in the world confirmed the theory of the compression of white dwarfs

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2017-11-14 13:15:13

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The astronomers of Moscow state University the first in the world confirmed the theory of the compression of white dwarfs

Moscow, November 14. Experts of the Astronomical Institute of Sternberg of the Moscow state University together with Russian and Italian colleagues confirmed during observations the theory of the compression of white dwarfs.

Scientific work published in the journal Monthly Notices of the Royal Astronomical Society, reports "".

a White dwarf is a compact star with a radius 100 times smaller at comparable sun masses. Until the recent discovery of astrophysics of Moscow state University, it was believed that at an early stage of development is the compression of white dwarfs, however, evidence to support this theory was not.

the MSU observed a double-star system in the constellation the Poop, where around a large star is rotating compact object, presumably a neutron star or white dwarf. Scientists discovered that the rotation period of this object during the last 20 years has decreased, but could not explain this behavior, yet did not put forward the assumption that the object is a white dwarf, and the acceleration is due to it compressing.

"the age of the star in the system is approximately two million years.

The compression rate of about a centimeter per year, which is expected for a white dwarf of this age, just perfectly explains the observed rotation speed," - said the scientists.

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