= Cosmic ray visual phenomena
{wiki=Cosmic_ray_visual_phenomena}
Cosmic ray visual phenomena refer to visual effects or light flashes observed in various contexts, often attributed to the interaction between cosmic rays and matter. Cosmic rays are high-energy particles that originate from outer space and strike the Earth's atmosphere. When these high-energy particles enter the atmosphere, they can collide with atomic nuclei, producing secondary particles, including photons (light particles) as well as other types of radiation.
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