- Empty areas in our asteroid belt.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.
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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… … Universalium
Kirkwood, gaps de — Interrupciones en la distribución de asteroides en el cinturón de asteroides ubicado entre las órbitas de Marte y Júpiter, que se producen cuando el período orbital de cualquiera de estos pequeños cuerpos es una fracción simple del período… … Enciclopedia Universal
Kirkwood gap — Kirkwood gaps are gaps or dips in the distribution of main belt asteroids with semi major axis (or equivalently their orbital period), as seen in the . For example, there are very few asteroids with semimajor axis near 2.50 AU, period 3.95 years … Wikipedia
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
Kirkwood Observatory — Infobox Observatory name = Kirkwood Observatory caption = Kirkwood Observatory, 2006. organization = Indiana University location = Bloomington, Indiana, U.S.A. coords = coord|39|09|57|N|86|31|34|W| altitude = 235 meters (770 ft) weather = See the … Wikipedia
Daniel Kirkwood — For the Scottish footballer, see Dan Kirkwood. Daniel Kirkwood Daniel Kirkwood Born September 27, 1814( … Wikipedia
Asteroid belt — For the album by Velvet Chain, see Asteroid Belt (album). The asteroid belt (shown in white) is located between the orbits of Mars and Jupiter. The asteroid belt is the region of the Solar System located roughly between the orbits of the planets… … Wikipedia
asteroid — asteroidal, adj. /as teuh royd /, n. 1. Also called minor planet. Astron. any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those… … Universalium
Groups of minor planets — An asteroid group or minor planet group is a population of minor planets that have a share broadly similar orbits. Members are generally unrelated to each other, unlike in an asteroid family, which often results from the break up of a single… … Wikipedia
meteor and meteoroid — ▪ astronomy Introduction respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) that enters Earth s atmosphere and heats to incandescence. In modern… … Universalium