Diffuse nebulae are clouds of interstellar matter, namely thin but widespread agglomerations of gas and dust. If they are large and massive enough they are frequently places of star formation, thus generating big associations or clusters of stars.
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www.maa.clell.de/Messier/nebula.html
www.maa.clell.de/Messier/nebula.html
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Nebula - Wikipedia, the free encyclopedia
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A nebula (from Latin: "cloud" ; pl. nebulae or nebulæ , with ligature or nebulas ) is an interstellar cloud of dust, hydrogen gas, helium gas and plasma. Originally nebula was a general n...
en.wikipedia.org/wiki/Nebula
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List of diffuse nebulae - Wikipedia, the free encyclopedia
This lists: • Diffuse nebula • Emission nebula • Reflection nebula • Barnard's Loop • Boomerang Nebula • Bubble Nebula • Bubble Nebula in Barnard's Galaxy • California Nebula • Cave Nebula • Corona Au...
en.wikipedia.org/wiki/List_of_diffuse_nebulae
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Today, most astronomers use the term nebulae only for the clouds of dust and gases in the Milky Way and other galaxies. They classify these masses into two general ... Diffuse nebulae are the larger of the two types. Some diffuse nebulae contain enough dust and gases to form as many as 100,000 stars the size of the sun.
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www.nasa.gov/worldbook/nebula_worldbook.html
www.nasa.gov/worldbook/nebula_worldbook.html
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Provides an introduction to diffuse nebulae, observations and pictures of diffuse nebulae. ... Diffuse nebulae are stellar nurseries, huge clouds of gases inside which stars are born. Seen through the telescope or binoculars they appear as small luminous clouds on the starry background. When searching for them choose...
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www.nightskyinfo.com/diffuse_nebulae/
www.nightskyinfo.com/diffuse_nebulae/
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Bright nebulae are usually vast concentrations of gas and dust in which stars have been or are being formed. There are three main types of bright diffuse nebulae:
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www.atlasoftheuniverse.com/nebulae.html
www.atlasoftheuniverse.com/nebulae.html
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Diffuse Nebulae, Emission nebulae, Planetary Nebulae, planets, space, astrophotography, telescopes, sky events, constellations, sky maps, star ... Diffuse Nebulae are ones of irregular shape in which stars may be born. The most famous are the Great Nebulae of in Orion and the Lagoon Nebulae.
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www.cyprusastronomy.com/Nebulaes.html
www.cyprusastronomy.com/Nebulaes.html
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NEBULAE & STAR CLUSTERS ... Well known diffuse nebulae include the Orion Nebula, Lagoon Nebula, the Trifid Nebula, and the Omega Nebula. Related category; • NEBULAE AND STAR CLUSTERS; ... Also on this site: Encyclopedia of Alternative Energy & Sustainable Living; Encyclopedia of History; Transport Concepts & Designs...
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www.daviddarling.info/encyclopedia/D/diffuseneb.html
www.daviddarling.info/encyclopedia/D/diffuseneb.html
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DIFFUSE NEBULAE SPECTRA Here, some examples of bright nebulae spectra... The Wolf-Rayet star WR136 and is compagnon nebula NGC 6888. ...
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www.astrosurf.com/buil/us/spe6/neb.htm
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