Motion of enclosed particles around a central mass point - Errors in the 'Apples in a Spacecraft' model

Details Motion of enclosed particles around a central mass point - Errors in the 'Apples in a Spacecraft' model Motion of enclosed particles around a central mass point - Errors in the 'Apples in a Spacecraft' model

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978sci...199..692h&link_type=abstract

Science, vol. 199, Feb. 10, 1978, p. 692, 693; Author's Reply, p. 693.

Astronomy and Astrophysics

Astronomy

4

Angular Velocity, Center Of Gravity, Particle Motion, Planetary Evolution, Astronomical Models, Circular Orbits, Inelastic Collisions, Rigid Structures, Spacecraft Motion

Scientific paper

The hypothesis that inelastic particles in a spaceship in a circular orbit around a central mass point will align on the circle described by the center of gravity of the spacecraft is refuted on the basis of discrepancies between the spacecraft's and the particles' angular velocities. A counter hypothesis is proposed, whereby the particles align themselves equally on the floor and ceiling of the craft. Implications for the formation of jet streams are reviewed in light of the conflicting hypotheses: either jet stream formation is impossible under either hypothesis, or it is easy under the first hypothesis and possible under the second, if the eccentricity of an orbiting body does not equal zero.

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