*Description*: High speed gas from a supernova explosion slams into dark cooler clouds of interstellar material. Shocked and heated by this tidal wave of energy, the clouds glow in bright, neon-like colors. (Image Released: February 1995) Technical facts about this news release: Back to entire collection [ http://hubblesite.org/newscenter/archive/releases/index/487/ ] Next release [ http://hubblesite.org/newscenter/archive/releases/1995/45/ ] Previous release [ http://hubblesite.org/newscenter/archive/releases/1995/48/ ] *News Release Number:*: STScI-1995-49i