The shortest orbit. Two stars discovered that revolve around each other in 51 minutes
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According to scientists, this is the shortest rotation period among the type of stars called cataclysmic variables.
Astronomers from the Massachusetts Institute of Technology using ground-based telescopes have discovered a binary star system called the cataclysmic variable. These stars are located 3,000 light-years away in the constellation Hercules and complete one revolution around each other in just 51 minutes. This is the shortest orbit for this type of star, which is known to scientists today, writes the Daily Mail.
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The new binary star system is called ZTF J1813+4251 and it consists of a white dwarf (a very hot core of an extinct star) and a star , which is similar to our Sun.
A type of star system called cataclysmic variables occurs when two stars approach each other over billions of years and this causes the white dwarf to start taking matter from its companion.
This process causes the white dwarf to periodically there are powerful flashes of light that scientists once thought were the result of some unknown cataclysm.
Scientists suggest that this star system is at a transitional stage in its development and the white dwarf has already taken most of the matter from a star similar to the Sun. Eventually, this star will turn into a dense, helium-rich core.
Earlier, scientists have already assumed that in such star systems there may be a very short period of rotation of stars, but in this case they first saw such a system.
As for the characteristics of this cataclysmic variable, scientists believe that a white dwarf is about 100 times smaller than our Sun in size and has half its mass. As for the second star, it is about 10 times smaller than the Sun in size and mass.
The simulations that the scientists conducted showed that over the next 70 million years, these two stars will approach more and more, and they will make a complete revolution around each other in 18 minutes.
As Focus already wrote, the Webb telescope made a new image of two distant galaxies that are completely different. Also, thanks to these images, scientists were able to discover another more distant galaxy that the Hubble telescope had not seen before.