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Viewing the sun at different wavelengths and temperatures can reveal different information about what's going on at the sun and it's structure.
Suggested by De Broglie in about 1913, the path to the wavelength expression for a particle is by analogy to the momentum of a photon.
Picture of EM spectrum, with wavelength and frequency scale. Chart shows pictorial representation of size of wavelength and EM wave sources.
The frequency and wavelength of visible light is a very narrow band in the electromagnetic spectrum. Its wavelength lies between 400 and 750 nm
Good revision for waves covering amplitude, wavelength and frequency.
See the universe in range of wavelengths from gamma rays to radio waves.
A short TED-Ed video about the electromagnetic spectrum including the wavelengths that you can and can't see.
Sky View is a virtual observatory on the net generating images of any part of the sky at wavelengths in all regimes from radio to gamma ray.
You can see for many miles through clear air and a clear piece of glass obviously is transparent to the wavelengths of visible light.
Test your knowledge of how the universe looks in different wavelengths in this online game.
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