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TED-Ed
What is an Aurora?
An impressive animation explains the earth's awe-inspiring auroras. The contributions of high-energy particles from the sun collide with our neutral atmospheric atoms. Explained are the roles of solar wind, plasma, the magnetosphere,...
Khan Academy
Scale of Distance to Closest Stars, Scale of the Universe, Cosmology and Astronomy
The third video in a series based on the scale of the universe, this lecture uses great images to help expand on the idea of scale. By comparing the distance to the closest star to the progress of Voyager 1 and 2, the narrator gives the...
Bill Nye
Bill Nye The Science Guy on Magnetism
This mini-episode is really more about magnetic fields than the phenomenon of magnetism. Computer graphics help Bill explain how charged particles from solar wind create the awesome Aurora Borealis and Aurora Australis. Mr. Nye also...