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- ItemOpen AccessWhat is parallax? - OER project materials(Colorado State University. Libraries, 2020-06-30) Hardegree-Ullman, Emily, filmmakerThis video demonstrates the concept of parallax and its utility for measuring cosmic distances.
- ItemOpen AccessDecoding the Arecibo message - OER project materials(Colorado State University. Libraries, 2020-06-30) Hardegree-Ullman, Emily, filmmakerThis video explains design of the Arecibo Message transmitted in the 1970s by SETI pioneers.
- ItemOpen AccessKepler's Third Law - OER project materials(Colorado State University. Libraries, 2020-06-30) Hardegree-Ullman, Emily, filmmakerThese videos demonstrate how to use Kepler's original Third Law and derive the origin of Kepler's empirical equation.