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Astronomers have discovered an "impossible to live" white dwarf star (according to current theories), using data from the Kepler Space Telescope.
The star, orbiting another sun-like star in a binary system, is so small that it takes more time than the age of the universe to develop on its own.
At the same time, however, it is not considered close enough to the star that accompanies it to accelerate its development.
NASA / JPL-Caltech
Other theories about the formation of white dwarfs have been dismissed as "unsatisfactory", the scientists said. But finding similar stars in the future can solve this mystery.
The astrophysicist Quinto Masuda of Princeton University in New Jersey discovered the KIC 8145411 binary star system, using Kepler data before turning it off in October 2018.
For this phenomenon to be visible on Earth, the two stars must have some orbit from our point of view, so that the dwarf star can appear directly in front of the other.
To further their research, the researchers recorded further observations on this unusual system, using the Fred Lawrence Whipple Observatory in Arizona and the Subaru Telescope in Hawaii.
The team was able to confirm that it had detected a white dwarf (one-fifth of the sun's mbad), orbiting a star resembling the sun.
White dwarf stars form when the stars lack energy and get rid of their outer layers, leaving only the nuclei.
The typical white dwarf star represents about 60% of the mbad of the Sun and can be 4 times lighter than the result of a smaller star.
The complete results of the study were published in the journal Astrophysical Journal Letters.
Source: Daily Mail
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