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hyperphysics

Circular orbit

Gravity supplies the necessary centripetal force to hold a satellite in orbit about the earth. The circular orbit is a special case since orbits are generally ellipses, or hyperbolas.

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Orbit Xplorer

Orbit simulator software for school and college students and teachers. The orbit simulator allows laboratory exercises on gravitational physics, elliptical orbits, double stars, escape velocity, ...

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Hits: 1946

Shoot a cannonball into orbit!

Find out how orbits work with this fun interactive.

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Hits: 331

hyperphysics

Orbit Concepts

Section of the excellent hyperphysics site dealing with orbits and the concepts connected to this.

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Hits: 964

Basics of the Geostationary Orbit

Detailed analysis of geostationary orbits, includees diagrams and the original 1945 description from Arthur C Clarke.

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Hits: 1082

Satellite orbits

Student selects satellite velocity to try to keep satellite in earth orbit

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Proper Time in Circular Orbits

Orbits in gravitational fields

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Hits: 1991

Gravity and Orbits

A simulation to show how gravity affects orbits

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Hits: 2630

The 200-year-old mystery of Mercury's orbit — solved!

The story of how Einstein's theory of gravity solved the paradox of Mercury's orbit.

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Geostationary Orbit

Definition of a geostationary orbit with some accompanying calculations.

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