Radiation Spectrum
The radiation spectrum refers to the full range of electromagnetic waves and particles emitted from a source, spanning from low-energy radio waves to high-energy gamma rays. It plays a vital role in scientific analysis by revealing the composition and properties of matter, and in modern applications like medical imaging and telecommunications, where specific bands are harnessed for precise diagnostics or data transmission.
Did you know?
The radiation spectrum includes cosmic microwave background radiation, which is the afterglow of the Big Bang and fills the universe, providing evidence for its expansion—scientists measure it at about 2.725 Kelvin, and it was accidentally discovered in 1965 by radio astronomers Arno Penzias and Robert Wilson while fixing a satellite antenna.
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