ultraviolet objects

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• Ultraviolet astronomy — is generally used to refer to observations at ultraviolet wavelengths between approximately 10 and 320 nanometres.cite book author=A. N. Cox, editor title=Allen s Astrophysical Quantities year=2000 publisher=Springer Verlag location=New York… …   Wikipedia

• ultraviolet astronomy — Study of astronomical objects and phenomena by observing the ultraviolet radiation (UV radiation) they emit. It has yielded much information about chemical abundances and processes in interstellar matter, the Sun, and other stellar objects, such… …   Universalium

• Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …   Wikipedia

• Ultraviolet (film) — Infobox Film name = UltraViolet caption = Promotional poster for the film UltraViolet director = Kurt Wimmer writer = Kurt Wimmer starring = Milla Jovovich Cameron Bright Nick Chinlund producer = John Baldecchi Lucas Foster Tony Mark (Executive)… …   Wikipedia

• Ultraviolet divergence — In physics, an ultraviolet divergence is a situation in which an integral, for example a Feynman diagram, diverges because of contributions of objects with very high energy (approaching infinity), or, equivalently, because of physical phenomena… …   Wikipedia

• List of gravitationally rounded objects of the Solar System — Objects in the Solar System By orbit By size By discovery date …   Wikipedia

• International Ultraviolet Explorer — (IUE) puic|1=|log=2008 August 31Organization(NASA, ESA, Science Research Council )Wavelength regimeUltravioletOrbit height42,000 km apogee, 26,000 km perigeeOrbit periodOne day (geosynchronous orbit)Launch dateJanuary 26, 1978End of… …   Wikipedia

• List of NGC objects (1–1000) — Contents 1 1–100 2 101 200 3 201–300 4 301–400 5 401– …   Wikipedia

• Sandage , Allan Rex — (1926–) American astronomer Born in Iowa City, Sandage graduated from the University of Illinois in 1948 and obtained his PhD in 1953 from the California Institute of Technology. He was on the staff of the Hale Observatories at Mount Wilson and… …   Scientists

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …   Universalium