= Cosmic-ray observatory
{wiki=Cosmic-ray_observatory}
A cosmic-ray observatory is a facility designed to detect and study cosmic rays, which are high-energy particles originating from outer space. These particles primarily consist of protons, atomic nuclei, and high-energy electrons, and they can arrive at Earth from various sources, including supernovae, active galactic nuclei, and even our Sun. Cosmic-ray observatories employ a variety of detection techniques and technologies to observe these particles.
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