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Science glossary film: Electromagnetic spectrum

Electromagnetic spectrum

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The complete range of wavelengths, considered as a continuum, of all kinds of electromagnetic radiation.

The complete range of wavelengths, considered as a continuum, of all kinds of electromagnetic radiation. The spectrum ranges from: gamma rays, with wavelengths smaller than the size of an atom; to long waves, emitted from cold matter in outer space, which can have a wavelength of more than 1 million kilometres.

The spectrum ranges from: gamma rays, with wavelengths smaller than the size of an atom; to long waves, emitted from cold matter in outer space, which can have a wavelength of more than 1 million kilometres.

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