NASA's Goddard Space Flight Center: Phenomena across the Universe emit radiation spanning the entire electromagnetic spectrum -- from high-energy gamma rays, which stream out from the most energetic events in the cosmos, to lower-energy microwaves and radio waves. Microwaves, the very same radiation that can heat up your dinner, are produced by a multitude of astrophysical sources, including strong emitters known as masers (microwave lasers), even stronger emitters with the somewhat villainous n...
NASA's Goddard Space Flight Center: Phenomena across the Universe emit radiation spanning the entire electromagnetic spectrum -- from high-energy gamma rays, which stream out from the most energetic events in the cosmos, to lower-energy microwaves and radio waves. Microwaves, the very same radiation that can heat up your dinner, are produced by a multitude of astrophysical sources, including strong emitters known as masers (microwave lasers), even stronger emitters with the somewhat villainous n...
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