nebula emission

См. также в других словарях:

• 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

• Emission — may refer to: * Flue gas, also: ** Exhaust gas, flue gas occurring as a result of the combustion of a fuel * Emission of air pollutants * Emission (electromagnetic radiation), the process by which the energy of a photon is released by another… …   Wikipedia

• Nebula — Nebulae redirects here. For the supercomputer in China, see Nebulae (computer). For other uses, see Nebula (disambiguation). The Pillars of Creation from the Eagle Nebula …   Wikipedia

• Emission nebula — An emission nebula is a cloud of ionized gas ( i.e. a plasma) emitting light of various colors. The most common source for ionization are high energy photons emitted from a nearby hot star. Among the several different types of emission nebula are …   Wikipedia

• emission nebula — Astron. a bright diffuse nebula that emits light as a result of ionization of its gas atoms by ultraviolet radiation, as the Orion Nebula, planetary nebulae, and supernova remnants, as the Crab Nebula. * * * ▪ astronomy  in astronomy, a bright,… …   Universalium

• emission nebula — Astron. a bright diffuse nebula that emits light as a result of ionization of its gas atoms by ultraviolet radiation, as the Orion Nebula, planetary nebulae, and supernova remnants, as the Crab Nebula …   Useful english dictionary

• Emission Nebula —    A nebula that derives its visible light from the fluorescence of ultraviolet light which comes from a star that is in or near the nebula …   The writer's dictionary of science fiction, fantasy, horror and mythology

• Homunculus Nebula — emission nebula name = Homunculus Nebula epoch = J2000 type = Emission nebula ra = RA|10|45|03.6 dec = DEC| 59|41|04 dist ly = 7,500 ly z = appmag v=6.21 ( 0.8 ndash;7.9) size v = constellation = Carina radius ly = absmag v = notes = Bipolar… …   Wikipedia

• Cat's Eye Nebula — Composite image using optical images from the HST and X ray data from the Chandra X ray Observatory Observation data …   Wikipedia

• Crab Nebula — Crab Nebula …   Wikipedia

• Ring Nebula — For the Ring Nebula in Barnard s Galaxy, see Ring Nebula (NGC 6822). The Ring Nebula M57, The Ring Nebula. Credit: NASA/STScI/AURA …   Wikipedia