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Chinese scientists discover ultra-high-energy Milky Way cosmic accelerators_英语频道_央视网(cctv.com)

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BEIJING, Could 17 (Xinhua) — Chinese scientists have detected a dozen ultra-high-energy (UHE) cosmic accelerators inside the Milky Way, a discover that might overturn humanity’s understanding of the galaxy. It may assist reveal the origin of cosmic rays, which have puzzled scientists for a century.

The findings have been primarily based on the observations of China’s Giant Excessive Altitude Air Bathe Observatory (LHAASO), one of many nation’s key nationwide science and expertise infrastructure amenities, which is underneath building in Daocheng in southwest China’s Sichuan Province.

These discoveries have been printed within the journal Nature on Monday.

Scientists led by the Institute of Excessive Vitality Physics underneath the Chinese Academy of Sciences made the discoveries after an 11-month commentary interval utilizing the finished half of the set up.

Scientists have additionally detected photons with energies exceeding 1 Peta-electron volt (quadrillion electron-volts or PeV), 100 occasions greater than the document excessive achieved by any artifical accelerator on Earth. One photon with an power of 1.4 PeV was detected, the very best worth ever noticed by people.

“These findings overturn our conventional understanding of the Milky Way and open up an period of UHE gamma astronomy. These observations will immediate us to rethink the mechanism by which high-energy particles are generated and propagated within the Milky Way,” stated Cao Zhen, chief scientist of LHAASO.

“As well as, these observations will encourage us to discover extra deeply violent celestial phenomena and their bodily processes, in addition to to check primary bodily legal guidelines underneath excessive circumstances,” Cao stated.

By means of UHE gamma astronomy, the century-old thriller of the origin of cosmic rays could quickly be solved, Cao added.

“These findings convey us nearer to understanding the origins of extraordinarily high-energy cosmic rays,” stated Karl Ziemelis, chief bodily sciences editor for Nature.

LHAASO has revealed many PeV cosmic acceleration sources within the Milky Way, all of that are candidates for being UHE cosmic ray turbines. It’s a essential step towards figuring out the origin of cosmic rays, in line with Chen Songzhan, the physics coordinator of LHAASO Collaboration.

Photons with energies exceeding 1 PeV have been detected in a really lively star-forming area within the constellation Cygnus, the analysis crew stated.

The star-forming space within the route of Cygnus is the brightest area within the northern territory of the Milky Way, with many huge star clusters. Huge stars solely exist for about a million years, so the clusters include monumental stars within the means of delivery and dying, with a posh, strong-shock setting. They’re ultimate “particle astrophysics laboratories,” or locations for accelerating cosmic rays, the researchers stated.

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