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We found 16 results on physics.org and 83 results in our database of sites
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NASA's Cosmic Background Explorer satellite was launched to explore the cosmic microwave background radiation. It has discovered fluctuations in that radiation which are important to big bang ...
NASA page about electromagnetic waves with descriptions of such waves and their uses.Covers radio waves, microwaves, infrared, visible light, ultraviolet (UV), x-rays and gamma rays.
The site explains the basic of the electromagnetic spectrum and the various wavelengths of which it is composed (Radio Waves, Microwaves , Infrared, the Visible Spectrum, Ultraviolet, Gamma Rays, ...
Arthur H. Compton observed the scattering of x-rays from electrons in a carbon target and found scattered x-rays with a longer wavelength than those incident upon the target.
A short video from NASA explaining gamma rays.
Philipp von Lenard (1861 - 1947) received the Nobel Prize for Physics in 1905 for his important work on cathode rays. Lenard's work on cathode rays served as a basis for the development of the ...
An in-depth look at the cosmic microwave background (CMB).
Detailed information on this topic and why it is important.
Photo gallery about how we are all made of stars.
A page describing this topic and why it is so interesting.
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