Complex Cloud of Gas Heated by Shock Waves

Credit: Richard Schwartz (Univ. of Missouri, St. Louis), Martin Cohen (Univ. of California, Berkeley), Burton Jones (Univ. of California, Santa Cruz), Karl-Heinz Bohm (Univ. of Washington), John Raymond and Lee Hartmann (HarvardSmithsonian Center for Astrophysics), Reinhard Mundt (Max-Planck-lnstitut fur Astronomle), Michael Dopita (Mt. Stromlo and Siding Spring Observatories), and Angie Schultz (Washington Univ. at St. Louis/Univ. of Missouri at St. Louis).