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dc.creatorUniversity of Texas at Austinen
dc.creatorMcDonald Observatoryen
dc.date.accessioned2014-07-09T18:55:37Zen
dc.date.available2014-07-09T18:55:37Zen
dc.date.issued2008en
dc.identifier.urihttp://hdl.handle.net/2152/25077en
dc.descriptionIntroduction: For thousands of years astronomers tried to model the motion of objects in the sky using circles or combinations of circles. Then in 1609, Johannes Kepler proved that the shape of planetary orbits are actually ellipses. Learn to draw ellipses and calculate their basic properties using Kepler's three laws.en
dc.language.isoengen
dc.publisherMcDonald Observatoryen
dc.subjectTEKSen
dc.subjectLesson Planen
dc.subjectScienceen
dc.subjectAstronomyen
dc.subjectGrades 9-12en
dc.subjectPlentary Movementen
dc.subjectEliptical Orbitsen
dc.titleLearning About Eliptical Orbitsen
dc.typeLearning objecten
dc.description.departmentMcDonald Observatoryen


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