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High-energy particle accelerators within our galaxy discovered -- Science & Technology -- Sott net

Fri, 02 Apr 2021 17:48 UTC Move over, CERN. Unknown sources in the Milky Way dubbed PeVatrons accelerate protons to energies of a few peta-electronvolts - dozens of times higher than the yield of the Large Hadron Collider. Now, new data from a high-altitude experiment in Tibet confirm that such very-high-energy cosmic rays are indeed produced in our own galaxy. © APS; Background (atomic hydrogen distribution): HEASARC / LAMBDA / NASA / GFSC Ultra high-energy diffuse gamma rays (yellow points) are distributed along the Milky Way Galaxy. The gray shaded area indicates the area outside the detectors field of view. The results paint a much fuller picture of the PeVatron population in the Milky Way, says Pat Harding (Los Alamos National Laboratory), who was not involved in the study.

China s premier astronomy and planetary resources lure foreign collaborators | Science

Share Visitors gawk at Chang’e-5 lunar samples on display at the National Museum of China in Beijing. TINGSHU WANG/REUTERS China’s premier astronomy and planetary resources lure foreign collaborators Apr. 1, 2021 , 11:15 AM For a generation, China played scientific catch-up to more advanced nations, but the tables are turning. China has the world’s largest radio telescope and the first Moon rocks in 45 years. Now, it is offering foreign researchers access to those scientific treasures. Many are eager, but others are uneasy about what they see as collaborating with an authoritarian regime. In December 2020, the Chang’e-5 mission returned 1.7 kilograms of rock and soil from the Moon the first lunar samples since 1976, and a chance for researchers to obtain dates that could help unravel Solar System history. On 18 January, the China National Space Administration (CNSA) confirmed it would encourage “joint international research” on the samples, and it may begin

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