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Kepler's LawsAn open courseware lecture by Ramamurti Shankar - Yale (Academic Earth)
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Kepler’s Laws of Planetary MotionAn Encyclopedia Britannica resource
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Understanding Solar System Dynamics: Orbits and Kepler’s LawsA NASA resource
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The Science : Orbital Mechanics - Kepler’s Laws of Planetary MotionEarth Observatory, a NASA resource
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Kepler's Three LawsPhysics Classroom resource
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Video:Overview of Kepler's Laws of Planetary MotionVideo by James Lincoln, for About.com
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Newton and Planetary MotionAn University of Nebraska-Lincoln resource
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Introduction to Celestial MechanicsRichard Fitzpatrick, University of Texas at Austin
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Chapter 25 Celestial MechanicsAn MIT resource
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Kepler's 3 Laws [streaming media title]Streaming media title, part of the Mechanical Universe series, Annenberg Media
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Mechanical Universe...and Beyond [streaming media title]An Annenberg Media streaming media series
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Six Millennium Catalog of Venus Transits: 2000 BCE to 4000 CEA NASA resource
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Transit of Venus: The Unsung HeroesGuest post by Dr. Sten Odenwald, NASA/ National Institute of Aerospace, who presented a lecture on the Transit of Venus at the Library of Congress on May 8, 2012.
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Mercury Fact SheetA NASA resource
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Mysterious Orbit of Mercury [streaming media excerpt]A Great Courses video excerpt by Neil deGrasse Tyson
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Orbit of MercuryAn Universe Today resource
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Seven Century Catalog of Mercury Transits: 1601 CE to 2300 CEA NASA resource