. . "Streaming multimedia"@en . . . "Kepler's three laws" . "Kepler's three laws"@en . . "Kepler's 3 laws"@en . . . "The wandering 17th century mathematician, Johannes Kepler, describes the action of heavenly bodies with unprecedented accuracy. However, the planets still moved in paths traced by the ancient Greek mathematicians--the conic section called an ellipse."@en . . "Kepler's 3 laws" . . "Kepler's three laws The Kepler problem"@en . . . "Explains Kepler's three laws of ellipses, equal areas and harmony and Newton's understanding and explanation of Kepler's laws." . . "Science films" . . . . . . . . . . . . . . . . . "Program 1. Kepler's three laws: Kepler's three laws described the motion of heavenly bodies with unprecedented accuracy ; Program 2. The Kepler problem: The task of deducing all three of Kepler's laws from Newton's universal law of gravitation is known as the Kepler problem." . . . . "The first program explains Kepler's three laws of ellipses, equal areas and harmony. The second program discusses Newton's understanding and explanation of Kepler's laws."@en . . "Kepler's 3 laws"@en . . . "Kepler's 3 laws" . . . . . . . . "Explains Kepler's three laws of ellipses, equal areas and harmony and Newton's understanding and explanation of Kelper's laws."@en . . "Explains Kepler's three laws of ellipses, equal areas and harmony."@en . "Explains Kepler's three laws of ellipses, equal areas and harmony." . . . . "Kepler problem"@en . "Kepler problem" . "Kepler's three laws the Kepler problem"@en . . . "Kepler's three laws ; The Kepler problem" . . "Video recordings for the hearing impaired"@en . . . . . "Program 21 explains Kepler's three laws of ellipses, equal areas and harmony and program 22 discusses Newton's understanding and explanation of Kepler's laws."@en . "Kepler's 3 laws The Kepler problem"@en . "Kepler's 3 laws the Kepler problem"@en . . . . . . . "Kepler's 3 laws ; The Kepler problem"@en . . . . . "Discussion of Kepler's three laws describing the motion of the planets."@en . . . . . . . "Digital video"@en . "The first program discusses the discovery of elliptical orbits helps describe the motion of heavenly bodies with unprecedented accuracy. The second program discusses the deduction of Kepler's laws from Newton's universal law of gravitation is one of the crowning achievements of western thought."@en . . . . "Kepler's three laws"@en . "Kepler's three laws" . "Program 21 explains Kepler's three laws of ellipses, equal areas and harmony and Newton's understanding and explanation of Kepler's laws. Program 22 discusses the deduction of Kepler's laws from Newton's universal law of gravitation. Uses computer animation sequences, historical reenactments, and close-up photography of experiments."@en . "Explains Kepler's three laws of ellipses, equal areas and harmony, which describe the motion of the planets."@en . . . "Deals with Kepler's three laws which described the motion of heavenly bodies with unprecedented accuracy. Also discusses the relationship between these laws and conic sections first identified by ancient Greek mathematicians."@en . . . . . . . . . "Documentary films" . . . . . "Solar system." . .