Orion Nebula

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

• Orion Nebula — Astron. a luminous nebula in the constellation Orion, in the center of Orion s sword. Also called Great Nebula of Orion. * * * Bright nebula, faintly visible to the unaided eye in the sword of the hunter s figure in the constellation Orion. About …   Universalium

• Orion Nebula — Astron. a luminous nebula in the constellation Orion, in the center of Orion s sword. Also called Great Nebula of Orion …   Useful english dictionary

• Orion Nebula — noun A diffuse nebula visible in the night sky below Orions Belt; it is approximately 40 light years across. It is one of the brightest nebulae visible to the naked eye and is the closest region of stellar formation to Earth. Syn: M42, NGC …   Wiktionary

• Orion OB1 Association — The Orion OB1 stellar association is a contingent group of several dozen hot giant stars of spectral types O and B. Associated are thousands of lower mass stars, and a (smaller but significant) number of protostars. It is part of the larger Orion …   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

• Orion Arm — The Orion Arm is a minor spiral arm of the Milky Way galaxy. The Solar System and Earth are within the Orion Arm. It is also referred to as the Local Arm, the Local Spur or the Orion Spur.The Orion Arm is named for its proximity to the stars in… …   Wikipedia

• Orion (constellation) — For other uses, see Orion (disambiguation). Orion Constellation List of stars in Orion Abbreviation Ori Genitive Orionis …   Wikipedia

• Orion Molecular Cloud Complex — A picture of Barnard s Loop, which is a primary component of the nebula complex. Also seen in the image are the locations of other nebulae in the complex such as M42. The Orion Molecular Cloud Complex (also often referred to as simply the Orion… …   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

• Orion–Cygnus Arm — Observed structure of the Milky Way s spiral arms[1] The Orion–Cygnus Arm is a minor spiral arm of the Milky Way galaxy some 3,500 light years across and approximately 10,000 light years in length.[2] …   Wikipedia