diffuse nebulae

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• List of diffuse nebulae — Emission and reflection nebulae= * Barnard s Loop * Boomerang Nebula * Bubble Nebula * Bubble Nebula in Barnard s Galaxy * California Nebula * Cave Nebula * Corona Australis Nebula * Cone Nebula * Crescent Nebula * Double Helix Nebula * Eagle… …   Wikipedia

• Diffuse nebula — [ Orion Nebula, a famous diffuse nebula.] In astronomy, diffuse nebulae is the general term for illuminated nebulae. The three types of diffuse nebulae are reflection nebulae, emission nebulae and supernova remnants. They are diffuse as opposed… …   Wikipedia

• diffuse nebula — noun a cluster of stars within an intricate cloud of gas and dust • Syn: ↑gaseous nebula • Hypernyms: ↑nebula • Hyponyms: ↑Orion, ↑Hunter * * * noun : any of the numerous luminous or dark formations …   Useful english dictionary

• Nebulae — Nebula Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike …   The Collaborative International Dictionary of English

• 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

• 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

• galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …   Universalium

• Messier 87 — Virgo A The Messier 87 galaxy. Observation data Epoch J2000 Constellation Virgo Right ascension …   Wikipedia

• Cosmic dust — Space dust redirects here. For other uses, see Space dust (disambiguation). Porous chondrite interplanetary dust particle. Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 µm in size. Cosmic dust… …   Wikipedia

• Orion Nebula — The entire Orion Nebula in visible light. Credit: NASA/ESA Observation data: J2000 epoch …   Wikipedia

• IC 5146 — Amateur image of IC 5146 Cocoon Nebula Observation data …   Wikipedia