You searched for: “gamma rays
gamma ray, gamma rays
1. A type of emission from radioactive substances, consisting of electromagnetic radiation of great penetrating power and of wavelengths lying beyond the region of the shortest X-rays.
2. A high-energy photon, especially as emitted by a nucleus in a transition between two energy levels.
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Word Entries containing the term: “gamma rays
cosmic gamma rays
Rays coming from pulsars, radio galaxies, and quasars, although it is believed that they cannot penetrate the earth's atmosphere.
This entry is located in the following unit: gamma; Γ, γ + (page 1)