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- DR_21 abstract "DR 21 is a huge molecular cloud located in the constellation of Cygnus. This area is located about 6,000 light-years across and extends for 80 light-years. The region contains a large amount of massive star formation.A number of different molecules have been detected in the region by their radio emission, including formaldehyde, ammonia, water and carbon monoxide.In this area, the birth of one of the most massive stars of the Milky Way . DR 21 contains a large, almost empty bubbles and complex patterns of dust and gas. These fibers in the infrared light through them occurring in the organic ingredients known as PAHs . DR 21 jagged patterns resulting from interactions with the interstellar wind pressure, radiation, magnetic fields and gravity .Pictures taken with camera serial Infrared Spitzer Space Telescope have revealed a group of energetic, newly born stars. These stars tear gas and dust located around them. A single star of this group is 100 000 times brighter than the Sun. Such a star rejects hot stellar matter into the surrounding molecular cloud. This may indicate the existence of this group of stars around the protoplanetary disk .".
- DR_21 thumbnail DR21.jpg?width=300.
- DR_21 wikiPageExternalLink ap040414.html.
- DR_21 wikiPageExternalLink PIA05736.
- DR_21 wikiPageExternalLink 040414011012.htm.
- DR_21 wikiPageID "33860947".
- DR_21 wikiPageRevisionID "588689915".
- DR_21 hasPhotoCollection DR_21.
- DR_21 subject Category:Cygnus_(constellation).
- DR_21 subject Category:Molecular_clouds.
- DR_21 comment "DR 21 is a huge molecular cloud located in the constellation of Cygnus. This area is located about 6,000 light-years across and extends for 80 light-years. The region contains a large amount of massive star formation.A number of different molecules have been detected in the region by their radio emission, including formaldehyde, ammonia, water and carbon monoxide.In this area, the birth of one of the most massive stars of the Milky Way .".
- DR_21 label "DR 21".
- DR_21 label "DR 21".
- DR_21 sameAs DR_21.
- DR_21 sameAs m.0j3h1sf.
- DR_21 sameAs Q5098469.
- DR_21 sameAs Q5098469.
- DR_21 wasDerivedFrom DR_21?oldid=588689915.
- DR_21 depiction DR21.jpg.
- DR_21 isPrimaryTopicOf DR_21.