... Fractal Interstellar Dust Up-Close . ... Dust usually shows its presence by blocking out light emitted from stars or nebula behind it, sometimes creating the illusion of a horse's head or a sombrero hat. ... A massive star ends life as a supernova, blasting its outer layers back to interstellar space. ... Seven Jets from Comet Hale-Bopp . ... Comet Hale-Bopp continues its slow trek across the night sky, and can now be seen superposed near the bright globular cluster M14. ...