In 1991 a single atomic nucleus slammed into our atmosphere with the intensity of a macroscopic object. It’s been named The Oh-My-God particle. Get your first two months of Curiosity Stream free by going to http://curiositystream.com/spacetime and using the promo code “spacetime”.
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Cosmic Microwave Background Radiation
Telescopes on the Moon
Cosmic rays aren’t actually rays at all, but atomic nuclei traveling at close to the speed of light. Typically they are low in energy and are easily deflected by other particles, but on rare occasions an incredibly powerful atomic nuclei strikes the Earth’s surface. The largest of these was the Oh My God Particle.
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