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Topic: Cone Nebula

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	Images
		NGC-2392 is the Eskimo Planetary Nebula in Gemini.
		The Crescent Nebula - NGC 6888 in Cygnus.
		The Packman Nebula - NGC 281 in Cassiopeia.
	www.randybrewer.net /Nebula.htm (1385 words)

	Lorenzo Comolli's Astronomy HomePage
		Cone Nebula is a difficult dark nebula in front of Sh2-273 diffuse nebula, so big that is bigger than the photographic field.
		Above Cone there is the "Christmas Tree", an open cluster with the stars outlining the figure of a tree, but upside-down.
		In this image there are at least other two interesting objects: the famous Hubble variable nebula, resembling a comet, near the lower border of the image, and the open cluster Trumpler 5, at 1° W of Cone, whose stars are very red.
	www.astrosurf.com /comolli/c032e.htm (115 words)

	NGC2264 - The Cone Nebula
		The Cone Nebula is a famous nebula in the Orion Arm surrounding the NGC 2264 star cluster.
		The 'cone' is a triangular dark nebula near the bottom of the nebula.
		Although this nebula is detached from the Cone nebula, it may be part of the same molecular cloud.
	www.atlasoftheuniverse.com /nebulae/ngc2264.html (642 words)

	NASA - Cone Nebula
		Called the Cone Nebula because of its conical shape in ground-based images, this giant pillar resides in a turbulent star-forming region.
		The Cone Nebula resides 2,500 light-years away in the constellation Monoceros.
		The Cone Nebula is a cousin of the M16 pillars, which the Hubble imaged in 1995.
	www.nasa.gov /multimedia/imagegallery/image_feature_686.html (360 words)

	NGC 2264, Cone Nebula, Christmas Tree Cluster
		This colorful emission nebula and open cluster lies in an extensive star forming region on the constellation of Monoceros.
		The bright star at the center of this image is the trunk of the Christmas tree.
		The remainder of the tree is the triangular group of stars on the right with the bright star at the top of the nebula forming the top of the tree.
	www.astrophoto.net /cone.html (141 words)

	Cone Nebula
		A diffuse nebula and associated open cluster, the Christmas Tree Cluster (NGC 2264), in the constellation Monoceros; William Herschel discovered both, in 1785 and 1784, respectively.
		The distinctive cone shape is a dusty pillar about 7 light-years long, the edges of which are bathed in ultraviolet light by nearby hot stars and caused to release gas into the relatively empty region of surrounding space.
		The Cone belongs to a much larger complex that is the site of active star formation.
	www.daviddarling.info /encyclopedia/C/Cone_Nebula.html (273 words)

	Hubble Space Telescope Advanced Camera for Surveys Image The Cone Nebula
		Called the Cone Nebula (NGC 2264) - so named because, in ground-based images, it has a conical shape - this giant pillar resides in a turbulent star-forming region.
		The Cone Nebula is a cousin of the M16 pillars [see photo, lower right], which the Hubble telescope imaged in 1995.
		Monstrous pillars of cold gas, like the Cone and M 16, are common in large regions of star birth.
	teacherlink.ed.usu.edu /tlnasa/pictures/litho/ConeNebula (446 words)

	SpikedHumor.com » Cone Nebula - Space Has A Sense Of Humor » SpikedHumor.com
		Explanation: Cones, pillars, and majestic flowing shapes abound in stellar nurseries where natal clouds of gas and dust are buffeted by energetic winds from newborn stars.
		While the Cone Nebula, about 2,500 light-years away in Monoceros, is around 7 light-years long, the region pictured here surrounding the cone's blunted head is a mere 2.5 light-years across.
		Flame Nebula Close-Up Explanation: Of course, the Flame Nebula is not on fire.
	spikedhumor.com /Article.aspx?id=7168 (542 words)

	Nebulae - Crystalinks
		These nebulae are usually red because the predominant emission line of hydrogen happens to be red (other colors are produced by other atoms, but hydrogen is by far the most abundant).
		Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars.
		Reflection nebulae and emission nebulae are often seen together and are sometimes b oth referred to as diffuse nebulae.
	www.crystalinks.com /nebula.html (1187 words)

	Cone Nebula
		The Cone Nebula is found just to the left of Orion in the constellation Monoceros (The Unicorn).
		This diffuse nebula and open cluster is at a distance of 2400 light years.
		The red emission nebula is being energized by the new stars being formed within.
	www.proaxis.com /~sandstone/Astro/Gallery/N2264.htm (149 words)

	Exploring the Cone Nebula Region \| Astronomy-Page: Articles
		The Cone Nebula and its surroundings, the Christmas Tree Cluster and the Fox-Fur Nebula, are extremely interesting objects for astronomers and provide stunning views.
		This Diffuse Nebula is illuminated by the young, hot stars it hides in its womb.
		The texture and color of the Fox-Fur Nebula are what gave it its somewhat unusual name, but the grasping pictures of it by the CFHT Telescope are so vivid that you want to touch it (you’ll probably get lost in the fur though :/).
	www.astronomy-page.com /articles/exploring-cone-nebula-region (413 words)

	MSX Showcase: Cone Nebula
		The Cone Nebula lies in the southern part of a star cluster known as the Christmas Tree cluster.
		The Cone Nebula was discovered by William Herschel in 1785 and is about 2,400 light years away from us.
		The Cone Nebula belongs to a much larger complex, which is a region of active star formation.
	coolcosmos.ipac.caltech.edu /msx/cone_nebula.html (116 words)

	CONE,
		If the directrix of the cone is a circle, the cone is usually referred to as a circular cone.
		Mathematicians study oblique cones, in which the axis is not perpendicular to the plane of the base; and various noncircular cones, in which the base is in the form of an
		The surface that is commonly called a cone, however, is the right circular cone.
	www.history.com /encyclopedia.do?vendorId=FWNE.fw..co196000.a (210 words)

	Gendler NGC 2264 Cone Nebula Region Photo
		A protruding portion of the cloud near S Monocerotis has been compared to the shape of a fox and was nicknamed the "Foxfur" nebula by the astrophotographer David Malin.
		The most massive stellar member of NGC 2264 is the O-type supergiant, S Monocerotis which dominates the northern half of the cluster and is probably the ionizing source of the Cone Nebula.
		They are found in nebulae and young clusters and are an intermediate stage between protostars and main sequence stars.
	www.spaceimages.com /ngc22conerep.html (415 words)

	GIC - New ACS Hubble images rich in hidden content
		The Hubble 'Cone' nebula image enhances to show rich forms of extremely intricate dynamics where dark or dim only is seen in the Hubble original.
		The Cone nebula was extensively studied for GIC resulting in its own page dedicated to the Cone nebula and also its interesting setting in roiled dense matter which reveal that the Cone nebula's pillar has plowed through and under a matter flow and is just now coming back out into the open.
		Next is where the Cone pillar ploughed into dense matter overhang, causing an explosive burst of hot new stars, the roiling trail to the upper right where the Cone pillar migrating (drifting along) to the South/west initially began matter disturbance in earnest.
	www.cosmicastronomy.com /hubble1.htm (4771 words)

	Astronomy posters from Novaspace Galleries
		The Cone nebula is actually a pillar of gas and dust.
		The famous Horsehead Nebula, a dark column of dust extending into a red nebula, is in the constellation of Orion, a stellar nursery of colorful neb...more
		The famous Horsehead Nebula, a dark column of dust extending into a red nebula, is in the constellation of Orion, a stellar nursery of colorful nebulae.
	www.novaspace.com /POSTERS/PHOTO/PhotoPosters.html (1314 words)

	GIC - Migrating pillar in the cone nebula
		GIC - Migrating pillar in the cone nebula
		Migrating pillar in the Cone nebula, the Cone nebula sea of heaves in deep space.
		Mystery of the Cone nebula may be solved if it's pillar is concidered a migrating weighty rogue ploughing into a massive mass drift, causing clumps of massive new star bith.
	www.cosmicastronomy.com /cone.htm (698 words)

	ESA Science & Technology: Hubble's newest camera images ghostly star-forming pillar of gas and dust
		Called the Cone Nebula (in NGC 2264) - so named because in ground-based images it has a conical shape - this monstrous pillar resides in a turbulent star-forming region.
		The Cone is a cousin of the M16 pillars, which the Hubble telescope imaged in 1995.
		Pillars like the Cone and M16 are common in large regions of star birth.
	hubble.esa.int /science-e/www/object/index.cfm?fobjectid=29874 (395 words)

	Hubble Advanced Camera Images
		The Cone Nebula is a cousin of the M16 pillars, which the Hubble telescope imaged in 1995.
		It's actually an image of the center of the Omega Nebula, a hotbed of newly born stars wrapped in colorful blankets of glowing gas and cradled in an enormous cold, dark hydrogen cloud.
		Because these dense pockets are more resistant to the withering radiation than the surrounding cloud, they appear as sculptures in the walls of the cloud or as isolated islands in a sea of glowing gas.
	www.physics.sfsu.edu /~gmonsen/hubble (1534 words)

	Cone Nebula \| Astrophotography by T.Yoshida
		Cone Nebula is an emission Nebula in the constellation of Monoceros.
		The Cone nebula is the nebulasity surronding Christmas Tree Cluster.
		Cone Nebula was discovered by Wiliam Hershel in 1785.
	www.takayuki-astro.com /st2k_cone.html (51 words)

	NGC 2264 - Cone Nebula Region
		The nebula itself shows a mixture of red and blue colors, the red ones indicating hydrogen emission and the blue parts indicating starlight reflected by the nebula's dust particles.
		There is also lots of substructure in the nebula, in some areas dark nebulae form intrusions into the red background nebulosity.
		The Cone Nebula and the Christmas Tree Cluster were discovered by William Herschel in 1783.
	astro.nightsky.at /Photo/Neb/NGC2264_WN.html (195 words)

	Cone Nebula
		Description: The Cone Nebula is a dark nebula located in the constellation of Monoceros, the Unicorn.
		The Cone Nebula is visible because it lies in front of the faint emission nebula NGC 2264 that makes up the background of this image.
		It is believed that the tip of the Cone Nebula is an area of active star formation and that the tip is slowly being eroded by the radiation pressure from the bright stars nearby.
	home.earthlink.net /~deanjacobsen/cone.html (159 words)

	Bad Astronomy Blog » Bad to the Cone
		Inside the Cone is a secret– a nest of young stars, newly born, struggling to cast off the cocoon of gas and dust in which they are shrouded.
		When I first saw the image of the Cone Nebula several days ago, I marvelled at its beauty, yet noted how deadly such a sight would be to us humans if we got too close to it.
		Ironically, if it were possible to view the Cone Nebula from close up (say, less than 5 parsecs), you probably wouldn’t see it at all (not with the human eye).
	www.badastronomy.com /bablog/2005/05/23/bad-to-the-cone (3905 words)

	Focus on The Cone Nebula
		The Cone Nebula lies in the southern part of NGC 2264, the Christmas Tree cluster.
		The Cone nebula lies near HD 47887, making a very faint haze around and to the south of this star.
		Like the Horsehead nebula, the Cone's shape comes from an intervening dark cloud that lies to the south of HD 47887.
	www.skyhound.com /sh/archive/jan/NGC_2264.html (787 words)

	Cone Nebula
		The Cone Nebula (which is also known as NGC 2264) is an immense pillar of gas and dust located some 2500 light years away toward the constellation Monoceros.
		The Cone Nebula is an active site of new star formation.
		The nebula is being slowly eaten away by ultraviolet radiation from young, hot stars, which are located beyond the top of the image.
	www.astrographics.com /cgi-bin/ase/ase.cgi?affiliate=&mode=display&gallery=1&type=nebula&color=&keywords=&page=8 (211 words)

	The Cone Nebula Region in Monoceros
		This very interesting field, full of red emission nebulae, star forming regions, open clusters, dark nebulae and blue reflection nebula, is located in the constellation of Monoceros.
		NGC 2264, the Cone Nebula, can be seen in the lower left corner of this image.
		It is a diffuse nebula and open star cluster embedded in Sh2-273, a much larger nebula complex that takes up most of the left side of the image.
	www.astropix.com /HTML/SHOW_DIG/061.HTM (366 words)

	cone
		The Cone Nebula is the small dark cone at the lower center of the image, that is just a fragment of this vast star-forming region, 2600 light-years distant.
		Above the Cone Nebula, a loose triangular cluster of stars is called the Christmas Tree cluster.
		At the top of the image, interstellar dust reflects the light of the brightest stars in the cluster, glowing blue, which has been called the Foxfur Nebula.
	www.stardoctor.org /cone.html (234 words)

	NGC2264 and NGC3745
		NGC2264: This is a large region of nebulosity with a star cluster, which includes a great deal of emission nebula (red), some reflection nebula (blue), dark nebula (much of the cone, as well as some other parts), and an open star cluster.
		To put a scale on this, the Cone Nebula is estimated to be about 7 light years long; the entire width and height of this image is about on degree of arc, or about 45 light years across for objects 2500 light years away.
		Various parts of this image are at varying distances from us; it is estimated that the Cone Nebula is about 2500 light years away from us, and NGC2264 (the bright star cluster) is about 2200 light years from us.
	www.de-regt.com /Astronomy/ChristmasTreeCone.htm (350 words)

	Cone Nebula - Christmas Tree Cluster - Star Formation Area
		This "Christmas Tree Cluster" is full of young stars - still surrounded by the gas nebula within which they were originally born.
		The Cone Nebula (upper part of the image - North is downwards) is located at the southern end of the star cluster NGC 2264 - distance of both objects : about 2600 lightyears.
		This image shows a comparison of our widefield Cone Nebula Photo with a zoom photo, performed by the space telescope.
	www.ags.dk /as/cone2005/default.htm (164 words)

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