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Space is big! If you could drive there, how long would it take to get to the Moon or Pluto? Find out by traveling Astronomical Distances!



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  • Thursday's
    Astro Fact:
    Did you know that the center of the Earth is almost as hot as the surface of the Sun? More...
    visits to the Astronomy Workshop since January 1st, 2000. 

    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