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The Acceleration Of Cosmic Rays By Supernova Explosions

An international group of researchers studying data from China’s Dark Matter Particle Explorer (DAMPE) has measured cosmic ray protons as much as the power of 100 TeV with excessive precision for the first time. In their paper revealed within the journal Science Advances, the group describes the research they’ve been conducting on data obtained from the satellite.

Four years in the past, the Chinese government launched into orbit the DAMPE satellite-based telescope its stated mission is threefold. To check properties of dark matter by taking a better take a look at high-power gamma rays and electrons; to review potential origins of cosmic rays by rigorously analyzing heavy nuclei and high power electrons; and finally, to check the character of propagation and acceleration of cosmic rays.

Scientists believe that the majority of cosmic rays are produced by supernova explosions. And prior analysis has proven that the majority cosmic rays are pieces of atomic nuclei—and all the components of the periodic table have been discovered to be present in them. Approximately 90 % of the cosmic rays that reach the Earth are nuclei of hydrogen atoms (protons). Scientists have also discovered that the paths cosmic rays contacting us are impacted by a wide range of elements resembling magnetic fields. scientists have a look at cosmic ray spectra. In this new effort, the researchers have been focusing on cosmic proton rays. In finding out them with increased precision than earlier efforts, they’ve discovered instances of proton modifications that rise by lots of billions of electron volts after which drop to ranges as lows as 14 TeV. That is proof of cosmic rays with distinctive spectral options. They additional recommend that the supply of such spectral options could be native, although they acknowledge that it may merely originate from one thing else. They even counsel it’s potential that there are multiple types of sources in the Milky Way, producing entirely different spectra.

2 Comments

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