from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The path of a celestial body or an artificial satellite as it revolves around another body.
- n. One complete revolution of such a body.
- n. The path of a body in a field of force surrounding another body; for example, the movement of an atomic electron in relation to a nucleus.
- n. A range of activity, experience, or knowledge.
- n. A range of control or influence: "What magnetism drew these quaking ruined creatures into his orbit?” ( Malcolm Lowry). See Synonyms at range.
- n. Either of two bony cavities in the skull containing an eye and its external structures; an eye socket.
- transitive v. To put into an orbit: orbit a satellite.
- transitive v. To revolve around (a center of attraction): The moon orbits Earth.
- intransitive v. To move in an orbit.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A circular or elliptical path of one object around another object.
- n. A sphere of influence; an area of control.
- n. The course of one's usual progression, or the extent of one's typical range.
- n. The bony cavity containing the eyeball; the eye socket.
- n. The path an electron takes around an atom's nucleus.
- n. A collection of points related by the evolution function of a dynamical system.
- v. To circle or revolve around another object.
- v. To move around the general vicinity of something.
- v. To place an object into an orbit around a planet.
from the GNU version of the Collaborative International Dictionary of English
- n. The path described by a heavenly body in its periodical revolution around another body.
- n. An orb or ball.
- n. The cavity or socket of the skull in which the eye and its appendages are situated.
- n. The skin which surrounds the eye of a bird.
from The Century Dictionary and Cyclopedia
- n. Track; course; path, especially a path, as that in a circle or an ellipse, which returns into itself; specifically, in astronomy, the path of a planet or comet; the curve-line which a planet describes in its periodical revolution round its central body or center of revolution: as, the orbit of Jupiter or Mercury.
- n. A small orb, globe, or ball.
- n. In anatomy and zoology, the bony cavity of the skull which contains the eye; the eye-socket.
- n. In ornithology, the orbita, or circumorbital region of a bird's head; the skin of the eyelids and adjoining parts.
- n. In entomology, the border surrounding the compound eye of an insect, especially when it forms a raised ring, or differs in color or texture from the rest of the head.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. move in an orbit
- n. a particular environment or walk of life
- n. the (usually elliptical) path described by one celestial body in its revolution about another
- n. the bony cavity in the skull containing the eyeball
- n. an area in which something acts or operates or has power or control:
- n. the path of an electron around the nucleus of an atom
They speak of the sun's motion, and of the sun's orbit, _but they do not say that the earth is the center of that orbit_.
(lower orbit) * period: from mid-March 2009 to late April* operation: 50 km circular orbit* mission: acquisition of the magnetic field of lunar surface using magnetometer and plasma observation system.
Putting an object in orbit is an accomplishment only a few national governments have been able to accomplish.
This idea, of a gas station in orbit, is the most cost effective and quickest means of reaching the moon.
The likelihood of a crew being stranded in orbit is thus reduced.
I do strongly think that Martian colonies will exist, enabled by spaceships built in orbit from the resources gleaned from the Moon.
The use of liquids, and an engine which can restart in orbit, is * very* impressive.
Yet even with its on-board controls, Canadarm's mass in orbit is less than two per cent of what it can manipulate.
INSKEEP: A group of Australian brewers is trying to deal with this problem, creating a beer that tastes great in orbit, which is a challenge because there's no carbonation in a zero-gravity environment, which means that the beer has to taste good even though it will be flat.
I think cost to orbit is too high for either of these programs to pan out but I wish them well.