"California Institute of Technology." . . "Navigation (Astronautics)" . . "Orbits." . . . . "Space flight." . . "Conic sections." . . "Corporation for Community College Television." . . "Gravity." . . "Conservation laws (Physics)" . . . "Navigating in space" . . . "Navigating in space"@en . . . . . "Energy and eccentricity" . "Energy and eccentricity"@en . . . . . . . . . . . "Demonstrates that the precise orbit of a heavenly body (a planet, asteroid or comet), is fixed by the laws of conservation of energy and angular momentum."@en . . . . . . "Explains and demonstrates that all objects in a gravitational field trace out conical sections, and that the precise shape of an orbit depends on the interplay between energy and eccentricity. Explains and demonstrates how scientists utilize the gravitational force of the sun to navigate spacecraft through space." . . . . . . . . . . . . "Streaming multimedia"@en . . . . "Describes the orbit of all heavenly bodies in terms of the laws of conservation of engery and angular momentum."@en . . . . . . . "Video recordings for the hearing impaired"@en . . . . . . . "Explains and demonstrates that all objects in a gravitational field trace out conical sections, and that the precise shape of an orbit depends on the interplay between energy and eccentricity."@en . . . . . . . . "Discusses why trajectories in space follow the conic sections."@en . . . . . . . "The precise orbit of a heavenly body is fixed by the laws of conservation of energy and angular momentum. The eccentricity, which determines the shape of an orbit, is intimately linked to the energy and angular momentum of the heavenly body."@en . . "Digital video"@en . . . "Program 23 explains and demonstrates that all objects in a gravitational field trace out conical sections, and that the precise shape of an orbit depends on the interplay between energy and eccentricity and program 24 explains and demonstrates how scientists utilize the gravitational force of the sun to navigate spacecraft through space."@en . . . . . . . . .