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Which lives longer: a small star like our Sun or a massive supergiant? How do they end their lives? Find out by watching the Star Race!



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  • Tuesday's
    Astro Fact:
    Did you know that you can never see anything fall into a black hole? More...
    The Astronomy Workshop has averaged about 20,000 page views per year and has now outlived its counter!  

    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