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How can you decipher what physics equations are telling us about the universe? Find out by Working With Equations!



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  • Saturday's
    Astro Fact:
    Did you know that every hundred million years or so, a violent collision of a sizable comet or asteroid with the Earth is likely to occur? More...
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    Materials for Students and Instructors.

    Created by Dr. Douglas P. Hamilton and students at U. Maryland. We gratefully acknowledge support from NSF (1998-2003) and NASA (2003-2010). About Us