semi-minor axis
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Semi-minor axis — The semi minor axis of an ellipse In geometry, the semi minor axis (also semiminor axis) is a line segment associated with most conic sections (that is, with ellipses and hyperbolas). One end of the segment is the center of the conic section, and … Wikipedia
Semi-major axis — The semi major axis of an ellipse The major axis of an ellipse is its longest diameter, a line that runs through the centre and both foci, its ends being at the widest points of the shape. The semi major axis is one half of the major axis, and… … Wikipedia
semi — semi·abstract; semi·abstraction; semi·aerial; semi·amphibious; semi·annual; semi·annually; semi·anthracite; semi·ape; semi·aquatic; semi·arboreal; semi·arch; semi·arid; semi·auto; semi·autonomous; semi·basement; semi·beam; semi·bejan;… … English syllables
Minor planet moon — 243 Ida and its moon Dactyl as imaged by the Galileo spacecraft in 1993 … Wikipedia
Minor planet — Not to be confused with Dwarf planet. A minor planet is an astronomical object in direct orbit around the Sun that is neither a dominant planet nor a comet, and thus includes the dwarf planets. The orbital categories of minor planets are the… … Wikipedia
Centaur (minor planet) — The centaurs are an unstable orbital class of minor planets named after the mythological race of centaurs. The name was chosen because they behave as half asteroid and half comet. Centaurs have transient orbits that cross or have crossed those of … Wikipedia
List of Mercury-crossing minor planets — A Mercury crosser is an asteroid whose orbit crosses that of Mercury. The Mercury crossers proper have aphelia outside Mercury s (0.4667 AU) and perihelia inside Mercury s (0.3075 AU), while those listed here as outer grazers have perihelia… … Wikipedia
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
semiminor axis — /sem ee muy neuhr, sem uy , sem ee , sem uy / 1. Geom. one half the minor axis of an ellipse. 2. Astron. one half the minor axis of the ellipse that one celestial body describes around another, as a planet around the sun. [1925 30; SEMI + MINOR]… … Universalium
Amyna axis — larvae Scientific classification Kingdom: Animalia … Wikipedia
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
