Look up: Libration

1. libration
   [n] - (astronomy) a real or apparent slow oscillation of a moon or satellite
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Libration
   The apparent tilting of the Moon as seen from Earth. The result is that over a period of time it is possible to see 59% of the surface of the Moon from Earth, though of course, only 50% at any one time.
   Found on http://www.delscope.demon.co.uk/astronom
   
   
3. Libration
   The apparant rocking motion of an orbiting body. The Moon exhibits longitudinal, latitudinal and diurnal libration. See also: Keplers Laws.
   Found on http://www.diracdelta.co.uk/science/sour
   
   
4. Libration
   Li·bra'tion (li*brā'shŭn) noun [ Latin libratio : confer French libration .] 1. The act or state of librating. Jer. Taylor. 2. (Astron.) A real or apparent libratory motion, like that of a bala...
   Found on http://www.encyclo.co.uk/webster/L/37
   
   
5. libration
   1. The act or state of librating. ... 2. <astronomy> A real or apparent libratory motion, like that of a balance before coming to rest. Libration of the moon, any one of those small periodical changes in the position of the moon's surface relatively to the earth, in consequence of which narrow...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. libration
   noun (astronomy) a real or apparent slow oscillation of a moon or satellite; `the libration of the moon`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. Libration
   • (n.) A real or apparent libratory motion, like that of a balance before coming to rest. • (n.) The act or state of librating.
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. libration
   in astronomy, an oscillation, apparent or real, of a satellite, such as the Moon, the surface of which may as a consequence be seen from different ... [1 related articles]
   Found on http://www.britannica.com/eb/a-z/l/46
   
   
9. libration
   libration A real or apparent oscillation in the orbit of one celestial body as seen from the one around which it orbits; especially, as seen in the Moon from the Earth.
   Found on http://www.wordinfo.info/words/index/inf
   
   
10. Libration
    In astronomy, libration is an apparent oscillatory motion of the moon, arising from the fact that it does not move round the earth with a uniform angular velocity exactly equal to its angular velocity of rotation on its axis, and that its axis is not at right angles to the plane of its orbit, but is...
    Found on http://www.probertencyclopaedia.com/brow
    
    
11. Libration
    In astronomy, `libration` is an oscillating motion of orbiting bodies relative to each other, notably including the motion of the Moon relative to Earth, or of Trojan asteroids relative to planets. Lunar libration: The Moon generally has one hemisphere facing the Earth, due to tidal locking. Therefo...
    Found on http://en.wikipedia.org/wiki/Libration