A Self-Guided Tour of the Electromagnetic Spectrum
To us, light is the most obvious form of electromagnetic radiation, yet it makes up just a small portion of the electromagnetic spectrum.
We invite you to take this self-guided tour, which covers the spectrum from radio waves to gamma rays.
Begin the Tour
What Are Electromagnetic Waves?
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One Astronomer's Universe
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A Bad Day in the Milky Way
Catalogue of the Cosmos
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Tour the Spectrum
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| Updated January 2002
