This keel system is a source of cosmic rays

Using data from the NuSTAR X-ray telescope, astronomers were able to identify one of the sources of cosmic rays. It turned out to be Eta Carinae: the largest and brightest star within a radius of 10 thousand light years from the Sun.
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Cosmic rays are called elementary particles and the nuclei of atoms of various elements moving with relativistic velocities. They are part of the natural background radiation in interplanetary and interstellar space. Scientists have long been debating about the origin of cosmic rays. According to one version, they are formed by the remains of the Milky Way supernovae. On the other hand, the rays are of extragalactic origin. According to the third, they are generated by the decay of dark matter particles in the center of the Galaxy. The difficulty with the exact determination of their sources is due to the fact that the trajectories of charged particles change under the influence of magnetic fields, which is why it is extremely difficult to track their way back. The team of researchers from the space center named after them.Goddard studied Eta Carina - a binary system consisting of a star whose mass is estimated at about 100 solar, and its satellite, which weighs as much as 30 Suns. In the 19th century, Eta Carina produced a very powerful flash (for some time it was the brightest star in the earth’s sky), after which the Gomunkul Nebula formed around it.
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Both stars system are sources of the most powerful stellar winds. They collide with each other, heat up and emit a large amount of radiation. During the study of Eta Carinae, scientists found that the system produces more x-rays than predicted by existing theoretical models. To explain the inconsistency, astronomers compared the NuSTAR data with the Eta Carina observation in the gamma range, obtained by XMM-Newton and Fermi telescopes.
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This carina is in the x-ray range. Red color corresponds to rays with energy from 300 to 1000 eV (electron volt), green to rays with energy from 1000 to 3000 eV, blue - from 3000 to 10 000 eV. Green lines indicate the location of the formation of hard x-rays
The analysis showed that the whole thing is in electrons, which are accelerated to near-light velocities in the zones of turbulence at the boundary between the colliding clubs of hot gas.When these electrons interact with the light emitted by a star, it “charges” and turns into x-rays detected by NuSTAR.
According to the researchers, some of these electrons must reach the Earth in the form of cosmic radiation. And this, in turn, means that massive luminaries can also be sources of galactic cosmic rays.

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