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Unveiling a century-old mystery: Where the Milky Way's cosmic rays come from

Astronomers have succeeded for the first time in quantifying the proton and electron components of cosmic rays in a supernova remnant. At least 70% of the very-high-energy gamma rays emitted from cosmic rays are due to relativistic protons, according to the novel imaging analysis of radio, X-ray, and gamma-ray radiation.

Aug 24th, 2021

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Clay, not water, likely source of Mars 'lakes'

A new study appears to show that for the first time another material - a form of clay called smectites - is being attributed to the bright radar reflections that many scientists have for years believed to be water.

Aug 4th, 2021

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