Thursday, April 2, 2015
Beyond The Secrets Of The Sun – Documentary Films
The Sun is the star at the center of the Solar System. It is by far the most important source of energy for life on Earth. The Sun is a nearly perfect spherical ball of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. The diameter of the Sun [ ]
http://worldgeographicchannel.com/beyond-the-secrets-of-the-sun-documentary-films/
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