[img]http://upload.wikimedia.org/wikipedia/commons/5/5b/Ultraviolet_image_of_the_Cygnus_Loop_Nebula_crop.jpg[/img]
[img]https://farm8.staticflickr.com/7343/12684668273_bf7512212a_c.jpg/img]
[img]https://farm8.staticflickr.com/7343/12684668273_bf7512212a_c.jpg[/img]