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What is a cosmic ray?
Cosmic ray: A ray of radiation of extraterrestrial origin, consisting of one or more charged particles such as protons, alpha particles, and larger atomic nuclei. Cosmic rays entering the atmosphere...
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What are cosmic rays?
Cosmic rays are a type of radiation we experience that originates in outer space. The catch is that they really aren't "rays" as we know them, but are actually particulate radiation. They're little...
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How fast are cosmic rays?
Cosmic rays are electromagnetic energy - like light. They quite naturally travel at the speed of light, which is 299,792,458 meters per second. Note that the cited speed applies to a vaccuum. Their...
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How much energy does an cosmic ray have?
Most Cosmic rays have energies between 107 and 1010 electron volts but one has been detected with an energy 3X 1020 ev. This is about the same energy as decent tennis serve (about 50J) and about 50...
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Who discovered Cosmic Rays?
Cosmic rays were discovered in 1912 by Victor Hess