space velocity
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Space velocity — The space velocity of an astronomical object is its actual motion relative to the Sun or the Local standard of rest.AstrometryIts components in the Galactic coordinate system are usually designated U, V, and W, given in km/s, with U positive in… … Wikipedia
space velocity — noun 1. : the velocity of a star s motion relative to the sun as determined from its proper motion, distance, and radial velocity called also space motion 2. : the number of volumes of gas or liquid usually calculated to standard conditions that… … Useful english dictionary
space — 1. noun /speɪs/ a) The intervening contents of a volume. If it be only a Single Letter or two that drops, he thruſts the end of his Bodkin between every Letter of that Word, till he comes to a Space: and then perhaps by forcing thoſe Letters… … Wiktionary
space motion — noun 1. : the motion of the earth and other solar system members as they travel through space with the sun 2. : space velocity … Useful english dictionary
Velocity — Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as, the… … The Collaborative International Dictionary of English
Space charge — is a concept in which excess electric charge is treated as a continuum of charge distributed over a region of space (either a volume or an area) rather than distinct point like charges. This model typically applies when charge carriers have been… … Wikipedia
Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) … Wikipedia
Space — is the extent within which matter is physically extended and objects and events have positions relative to one another [ [http://www.britannica.com/eb/article 9068962/space Britannica Online Encyclopedia: Space] ] . Physical space is often… … Wikipedia
Space exploration — is the use of astronomy and space technology to explore outer space. [cite web | url = http://adc.gsfc.nasa.gov/adc/education/space ex/exploration.html | title = How Space is Explored | publisher = NASA] Physical exploration of space is conducted … Wikipedia
Space science — is an all encompassing term that describes all of the various science fields that are concerned with the study of the Universe, generally also meaning excluding the Earth and outside of the Earth s atmosphere . Originally, all of these fields… … Wikipedia
