News Astronomy Supernova is a dust factory Grains of matter spewed by explosion offer clues to early star formation GATHERING DUST Observations of dust (red) detected in the center of the debris from Supernova 1987A suggest that such stellar explosions may be a source of cosmic dust. Visible light (green) and X-ray (blue) images show the expanding shockwave from the supernova. ALMA (ESO, NAOJ, NRAO), A. Angelich; Visible light image: Hubble Space Telescope/NASA AND ESA; X-Ray image: NASA Chandra X-Ray Observatory Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Andrew Grant January 7, 2014 at 6:23 pm OXON HILL, Md.