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How disorderly young galaxies grow up and mature

Using a supercomputer simulation, a research team has succeeded in following the development of a galaxy over a span of 13.8 billion years. The study shows how, due to interstellar frontal collisions, young and chaotic galaxies over time mature into spiral galaxies such as the Milky Way.

Aug 27th, 2021

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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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