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phys.org

Research group unveils properties of cosmic-ray sulfur and the composition of other primary cosmic rays (phys.org)

Charged cosmic rays, high-energy clusters of particles moving through space, were first described in 1912 by physicist Victor Hess. Since their discovery, they have been the topic of numerous astrophysics studies aimed at better understanding their origin, acceleration and propagation through space, using satellite data or other...

Parker Solar Probe flies into the fast solar wind and finds its source (phys.org)

NASA’s Parker Solar Probe (PSP) has flown close enough to the sun to detect the fine structure of the solar wind close to where it is generated at the sun’s surface, revealing details that are lost as the wind exits the corona as a uniform blast of charged particles....

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