- Kirkwood gaps
Interruptions in the distribution of asteroids in the asteroid belt between Mars and Jupiter that appear where any of these small bodies' orbital periods would be a simple fraction of Jupiter's.Several zones of low density in the asteroid belt were noticed about 1860 by Daniel Kirkwood (1814–95), who explained the gaps as resulting from perturbations by Jupiter. Any object that revolved in one of these locations would be disturbed regularly by the planet's gravitational pull and eventually be moved to another orbit.
* * *interruptions that appear in the distribution of asteroids where the orbital period of any small body present would be a simple fraction of that of Jupiter. Several zones of low density in the minor-planet population were noticed about 1860 by Daniel Kirkwood, an American mathematician and astronomer, who explained the gaps as resulting from perturbations by Jupiter. An object that revolved in one of the gaps would be disturbed regularly by the planet's gravitational pull and eventually would be moved to another orbit.
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Kirkwood , Daniel — (1814–1895) American astronomer Born in Harford County, Maryland, Kirkwood became professor of mathematics at the University of Delaware in 1851, moving to the University of Indiana in 1856. In 1857 he noted that the asteroids (planetoids) are… … Scientists
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