Orbit Meaning and Definition in Dictionary
- the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon" [syn: celestial orbit]
- a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" [syn: sphere, domain, area, field, arena]
- an area in which something acts or operates or has power or control: "the range of a supersonic jet"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power" [syn: scope, range, reach, compass, ambit]
- the path of an electron around the nucleus of an atom [syn: electron orbit]
- the bony cavity in the skull containing the eyeball [syn: eye socket, cranial orbit, orbital cavity] v : move in an orbit; "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus" [syn: revolve]
- Orbit \Or"bit\, n. [L. orbita a track or rut made by a wheel,
course, circuit, fr. orbis a circle: cf. F. orbite. See 2d
- (Astron.) The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.
- An orb or ball. [Rare & Improper] Roll the lucid orbit of an eye. --Young.
- (Anat.) The cavity or socket of the skull in which the eye and its appendages are situated.
- (Zo["o]l.) The skin which surrounds the eye of a bird.
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Orbit Meaning and Definition in Wikipedia
An orbit is the path that an object takes in space when it goes around a star, a planet, or a moon. It can also be used as a verb. For instance: “The earth orbits around the Sun.” The word ‘revolves’ has the same meaning.
Many years ago, people thought that the sun orbits in a circle around the earth. Every morning the sun came up in the east and went down in the west. It just seemed to make sense that it was going around the earth. But now, thanks to people like Copernicus and Galileo Galilei, we know that the sun is the center of the solar system, and the earth orbits around it. Since a satellite is an object in space that revolves around another object, the earth is a satellite of the sun, just like the moon is a satellite of the earth! The sun has lots of satellites orbiting around it, like the planets, and thousands of asteroids, comets, and meteoroids. The earth just has one natural satellite (the moon), but there are lots of artificial satellites orbiting the earth.[See more about Orbit at Dictionary 3.0 Encyclopedia]
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