Archive for May, 2010
Tidal Force: Force, Gravitation, Tide, Diameter, Celestial Mechanics, Lunar Theory, Roche Limit, Ellipsoid, Center of Mass, Centripetal Force
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High Quality Content by WIKIPEDIA articles! The tidal force is a secondary effect of the force of gravity and is responsible for the tides. It arises because the gravitational force exerted on one body by a second body is not constant across its diameter. The side nearest to the second body experiences a greater force, while the opposite side experiences a lesser force. In a more general usage in celestial mechanics, the expression ‘tidal force’ can refer to a situa… More >>
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SPACE FLIGHT, ENVIRONMENTAL AND CELESTIAL MECHANICS, PRINCIPLES OG GUIDED MISSLE DESIGN
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Dr. Krafft Arnold Ehricke was a space visionary.
Born in Berlin he believed in space travel from a very young age, influenced by his viewing of the Fritz Lang film Woman in the Moon
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Orbital Resonance: Celestial Mechanics, Orbit, Orbital Period, Jupiter, Ganymede, Europa, Io, Neptune, Saturn
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High Quality Content by WIKIPEDIA articles! In celestial mechanics, an orbital resonance occurs when two orbiting bodies exert a regular, periodic gravitational influence on each other, usually due to their orbital periods being related by a ratio of two small integers. Orbital resonances greatly enhance the mutual gravitational influence of the bodies. In most cases, this results in an unstable interaction, in which the bodies exchange momentum and shift orbits unt… More >>


