limb brightening

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• Limb darkening — refers to the diminishing of intensity in the image of a star as one moves from the center of the image to the edge or limb of the image. Limb darkening occurs as the result of two effects:* The density of the star diminishes as the distance from …   Wikipedia

• Gravitational microlensing — Gravitational Lensing Formalism Strong lensing …   Wikipedia

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

• sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …   Universalium

• Vega — Starbox begin name=Vega Starbox image caption = Location of Vega in the constellation Lyra. Starbox observe epoch=J2000.0 constell=Lyra ra=RA|18|36|56.3364cite web author=Staff date=October 30, 2007 url=http://simbad.u strasbg.fr/simbad/sim… …   Wikipedia

• Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …   Wikipedia

• Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …   Wikipedia

• Volcanism on Io — This is a sub article to Io (moon)Volcanism on Io, a moon of Jupiter, produces lava flows, volcanic pits, and plumes of sulfur and sulfur dioxide hundreds of kilometres high. This volcanic activity was discovered in 1979 by Voyager 1 imaging… …   Wikipedia