Recent Submissions

  • What is parallax? 

    Author(s):Hardegree-Ullman, Emily
    Date Issued:2020-06-30
    Format:born digital; digital moving image formats; open educational resources
    This video demonstrates the concept of parallax and its utility for measuring cosmic distances.
  • Decoding the Arecibo message 

    Author(s):Hardegree-Ullman, Emily
    Date Issued:2020-06-30
    Format:born digital; digital moving image formats; open educational resources
    This video explains design of the Arecibo Message transmitted in the 1970s by SETI pioneers.
  • Kepler's Third Law 

    Author(s):Hardegree-Ullman, Emily
    Date Issued:2020-06-30
    Format:born digital; digital moving image formats; open educational resources
    These videos demonstrate how to use Kepler's original Third Law and derive the origin of Kepler's empirical equation.