Radiation from deep space

Only by a great stroke of fate can we protect ourselves from it on Earth. But not far beyond it — no.

[Photo: NASA, Public domain, via Wikimedia Commons]

Cosmic radiation is produced after supernova star explosions, new stars, and in giant accretion disks surrounding central black holes in active galaxies, namely quasars, blazars, lacertides and Seyfert galaxies. It is also released during galaxy collisions, which occur quite frequently in the cosmos. So it forms at…



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