How the Universe Works: Supernovas (Discovery Channel 2010) : Engineering the Universe shows you how the cosmos is designed, built, and actually works. From the beginning of time, Stars, Galaxies, Planets, Solar Systems, and more have been working individually and together to produce all that is and all... (more details for How the Universe Works: Supernovas (Discovery Channel 2010) )

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File by Rodney Olson (#1216)
2010-07-21 Grade: 11-12