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annual proper motion

См. также в других словарях:

  • Annual variation — Variation Va ri*a tion, n. [OE. variatioun, F. variation, L. variatio. See {Vary}.] [1913 Webster] 1. The act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity;… …   The Collaborative International Dictionary of English

  • annual variation — noun : the yearly change in a star s mean right ascension or declination produced by precession of the equinoxes and proper motion of the star …   Useful english dictionary

  • Motion Picture & Television Country House and Hospital — The Motion Picture Television Country House and Hospital is a retirement community, with individual cottages, and a fully licensed, acute care hospital, located at 23388 Mulholland Drive in Woodland Hills, California. It is a service of the… …   Wikipedia

  • motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

  • motion picture, history of the — Introduction       history of the medium from the 19th century to the present. Early years, 1830–1910 Origins       The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …   Universalium

  • Motion (legal) — For other uses, see Motion (disambiguation). In law, a motion is a procedural device to bring a limited, contested issue before a court for decision. A motion may be thought of as a request to the judge (or judges) to make a decision about the… …   Wikipedia

  • Aberration of light — Light from location 1 will appear to be coming from location 2 for a moving telescope due to the finite speed of light, a phenomenon known as the aberration of light. The aberration of light (also referred to as astronomical aberration or stellar …   Wikipedia

  • Star — For other uses, see Star (disambiguation) …   Wikipedia

  • Tau Ceti — Starbox begin name=Tau Ceti Starbox image caption=Tau Ceti (highlighted center) in the southern part of the constellation Cetus. Starbox observe epoch=J2000 constell=Cetus ra=RA|01|44|04.0829cite web url=http://simbad3.u strasbg.fr/sim… …   Wikipedia

  • Hyades (star cluster) — Hyades Cluster Observation data (J2000.0 epoch) Constellation …   Wikipedia

  • parallax — parallactic /par euh lak tik/, adj. parallactically, adv. /par euh laks /, n. 1. the apparent displacement of an observed object due to a change in the position of the observer. 2. Astron. the apparent angular displacement of a celestial body due …   Universalium

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