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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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On the hunt for 'hierarchical' black holes

Black holes, detected by their gravitational wave signal as they collide with other black holes, could be the product of much earlier parent collisions. Such an event has only been hinted at so far, but scientists believe we are getting close to tracking down the first of these so-called hierarchical black holes.

Jul 27th, 2021

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