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Horsehead Nebula |
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Horsehead Nebula, dark nebula nebula [Lat.,=mist], in astronomy, observed manifestation of a collection of highly rarefied gas and dust in interstellar space. Prior to the 1960s this term was also applied to bodies later discovered to be galaxies, e.g.
..... Click the link for more information. located in the constellation Orion; designated IC 434 or B 33. It consists of a cloud of nonluminous interstellar matter interstellar matter, matter in a galaxy between the stars, known also as the interstellar medium. Distribution of Interstellar Matter Compared to the size of an entire galaxy, stars are virtually points, so that the region occupied by the ..... Click the link for more information. resembling the outline of a horse's head and appears against the background of a bright emission nebula. The Horsehead Nebula measures about 4 min of arc at its greatest width. It is located near the belt of Orion at a distance of about 1,600 light-years from the earth. Horsehead Nebula [′hȯrs‚hed ′neb·yə·lə] (astronomy) A cloud of obscuring particles between the earth and a gaseous emission nebula in the constellation Orion. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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