NGC 6357: Difference between revisions

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[[File:NGC_6357_Nebula.png|thumb|300px|NGC 6357 nebula]]

'''NGC 6357''' is a diffuse [[nebula]] in the constellation Scorpius. It is a cluster of clusters that contains at least three clusters of young stars, including many hot, massive, luminous stars.<ref>https://www.nasa.gov/mission_pages/chandra/cosmic-winter-wonderland.html</ref> Star formation with numerous filaments of dust and gas surround huge cavities of massive star clusters. It spans around 100 light years and is located 5,500 light years from [[Sol]].<ref>https://apod.nasa.gov/apod/ap161226.html</ref>

'''NGC 6357''' is a diffuse [[nebula]] in the constellation Scorpius. It is a cluster of clusters that contains at least three clusters of young stars, including many hot, massive, luminous stars.<ref>[https://www.nasa.gov/mission_pages/chandra/cosmic-winter-wonderland.html Cosmic ‘Winter’ Wonderland - Dec. 19, 2016]

</ref> Star formation with numerous filaments of dust and gas surround huge cavities of massive star clusters. It spans around 100 light years and is located 5,500 light years from [[Sol]].<ref>[https://apod.nasa.gov/apod/ap161226.html NGC 6357: Stellar Wonderland NASA 2016 December 26]</ref>

It is also known as the Lobster Nebula.<ref>http://www.space.com/19938-lobster-nebula-seen-with-esos-vista-telescope-space-wallpaper.html</ref> Scientists of the Midcourse Space Experiment named it the War and Peace Nebula. Because in infrared images the bright, western part resembles a dove, while the eastern part looks like a skull.<ref>[http://www.ipac.caltech.edu/2mass/gallery/powcap25.html "2MASS Picture of the Week Archive Captions"]</ref>

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 [[File:NGC_6357_Nebula.png|thumb|300px|NGC 6357 nebula]]
-'''NGC 6357''' is a diffuse [[nebula]] in the constellation Scorpius. It is a cluster of clusters that contains at least three clusters of young stars, including many hot, massive, luminous stars.<ref>https://www.nasa.gov/mission_pages/chandra/cosmic-winter-wonderland.html</ref> Star formation with numerous filaments of dust and gas surround huge cavities of massive star clusters. It spans around 100 light years and is located 5,500 light years from [[Sol]].<ref>https://apod.nasa.gov/apod/ap161226.html</ref>
+'''NGC 6357''' is a diffuse [[nebula]] in the constellation Scorpius. It is a cluster of clusters that contains at least three clusters of young stars, including many hot, massive, luminous stars.<ref>[https://www.nasa.gov/mission_pages/chandra/cosmic-winter-wonderland.html Cosmic ‘Winter’ Wonderland - Dec. 19, 2016]
+</ref> Star formation with numerous filaments of dust and gas surround huge cavities of massive star clusters. It spans around 100 light years and is located 5,500 light years from [[Sol]].<ref>[https://apod.nasa.gov/apod/ap161226.html NGC 6357: Stellar Wonderland  NASA 2016 December 26]</ref>
 It is also known as the Lobster Nebula.<ref>http://www.space.com/19938-lobster-nebula-seen-with-esos-vista-telescope-space-wallpaper.html</ref> Scientists of the Midcourse Space Experiment named it the War and Peace Nebula. Because in infrared images the bright, western part resembles a dove, while the eastern part looks like a skull.<ref>[http://www.ipac.caltech.edu/2mass/gallery/powcap25.html "2MASS Picture of the Week Archive Captions"]</ref>

NGC 6357: Difference between revisions

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