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Primary
University of Virginia

University of Virginia: The Studies of Kepler

For Students 9th - 10th
Biographical information of the early life of Kepler is provided as well as a somewhat detailed look at the highs and lows of his work in studying planetary motion.
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Handout
University of Virginia

University of Virginia: Lecture on Kepler

For Students 9th - 10th
The University of Virginia provides a continuation of a lecture given on astronomer Johannes Kepler, this lecture covers his different works within the field of astronomy.
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Lesson Plan
NASA

Nasa: Kepler: A Search for Habitable Planets: Transit Tracks

For Teachers 9th - 10th
Classroom lesson for teaching astronomy uses PowerPoint presentations and illustrations of Kepler's light curves used to discover planets.
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Handout
Virginia Tech

University of Virginia: Johannes Kepler

For Students 9th - 10th
The University of Virginia provides notes from a lengthy lecture given on the life of Johannes Kepler. This site has GREAT information and is easy to understand.
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Website
University of St. Andrews (UK)

University of St. Andrews: Orbits and Gravitation

For Students 9th - 10th
A page describing the physics, mathematics, and historical figures associated with planetary motion, satellite motion, and universal gravitation.
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Graphic
Other

Kepler and Ellipses

For Students 9th - 10th
Good site explaining the laws of planetary motion and ellipses