Name ________________  Massive Star Sequence (Young to Old)   Image  Notes  C Orion Nebula (info)    H Embryonic Stars (info)     A Large Star observed by HST (info)   D Image of Betelgeuse (info)    F Nova Cygni 1992 (info)   E Supernova Blast (info)   B Crab Nebula (info)    G Oxygen-Rich Supernova Remnant (info)