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Why NASA Scientists Observe the Sun in Different Wavelengths

Viewing the sun at different wavelengths and temperatures can reveal different information about what's going on at the sun and it's structure.

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Hits: 70

http://www.nasa.gov/mission_pages/sunearth/news/light-wavelengths.html

Debroglie Wavelength

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.

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Hits: 977

http://hyperphysics.phy-astr.gsu.edu/hbase/debrog.html#c3

The Electromagnetic Spectrum

Picture of EM spectrum, with wavelength and frequency scale. Chart shows pictorial representation of size of wavelength and EM wave sources.

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Hits: 1005

http://www.lbl.gov/MicroWorlds/ALSTool/EMSpec/EMSpec2.html
hyperphysics

Visible Light

The frequency and wavelength of visible light is a very narrow band in the electromagnetic spectrum. Its wavelength lies between 400 and 750 nm

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Hits: 1025

http://hyperphysics.phy-astr.gsu.edu/hbase/ems3.html#c2

Amplitude, wavelength and frequency

Good revision for waves covering amplitude, wavelength and frequency.

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Hits: 606

http://bbc.in/Xe00N7

Chromoscope

See the universe in range of wavelengths from gamma rays to radio waves.

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Hits: 2569

http://www.chromoscope.net/

SkyView

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.

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Hits: 1059

http://skyview.gsfc.nasa.gov/
hyperphysics

Transparency Of A Medium

You can see for many miles through clear air and a clear piece of glass obviously is transparent to the wavelengths of visible light.

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Hits: 661

http://hyperphysics.phy-astr.gsu.edu/hbase/mod4.html#c2
hyperphysics

Electromagnetic Spectrum

A simple to follow page showing a breakdown of the electromagnetic spectrum into its wavelengths.

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Hits: 873

http://hyperphysics.phy-astr.gsu.edu/hbase/ems1.html#c1

The Photoelectric Effect

Java Applet simulating a photoelectric effect experiment, measuring current and stopping potential for a variety of metals and monochromatic wavelengths. A sophisticated simulated experiment.

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Hits: 2928

http://www.walter-fendt.de/ph14e/photoeffect.htm
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