... The M7 Open Star Cluster in Scorpius . ... M7 is one of the most prominent open clusters of stars on the sky. ... A Superwind from the Cigar Galaxy . ... M82, as this irregular galaxy is also known, was stirred up by a recent pass near large spiral galaxy M81. This doesn't fully explain the source of the red-glowing outwardly expanding gas, however. ... Star forming regions known as "EGGs" are uncovered at the end of this giant pillar of gas and dust in the Eagle Nebula (M16). ...