This is NGC 7023 . It ’s also hollo the Iris Nebula , an immense six - lite - class - across cloud of debris located in the constellation Cepheus , 1,300 wanton - years from satellite Earth . I like to call it God ’s Home . Get inside with this zoom - zoom TV :
I mean , if I were God , I would go live there : A well illuminated flat , with a nice kitchen in which to cook some raw star , and a sunny beach . But since I ’m agnostic , I will separate you that this nebula is just a titanic grouping of particle , with sizes ranging from ten to a hundred times smaller than a Earth detritus cereal . It does n’t emit anything : NGC 7023 just reflects the visible light from HD 200775 , a nearby order of magnitude +7 superstar .
The Iris Nebula was first discovered in 1794 by Sir William Herschel , this is the first closeup , take by the Hubble ’s Advanced Camera for Surveys . scientist are now studying its constitution — which is formed by an unknown hydrocarbon - based chemical compound — using Hubble ’s infrared television camera . [ Hubble ]
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