About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 316. Not illustrated. Chapters: Planetary Nebulae, Protoplanetary Nebulae, Supernova Remnants, Sn 1987a, Crab Nebula, Sn 1604, Ring Nebula, Cat's Eye Nebula, Sagittarius A*, Ic 443, Helix Nebula, Ngc 7027, Planetary Nebula Luminosity Function, Mz 3, Ngc 6302, Sn 1572, Sn 1006, Frosty Leo Nebula, Dumbbell Nebula, Cassiopeia A, Planetary Nebula M2-9, Red Rectangle Nebula, Abell 39, W50, Little Dumbbell Nebula, Veil Nebula, List of Planetary Nebulae, Saturn Nebula, Boomerang Nebula, Calabash Nebula, Eskimo Nebula, Mz 1, Stingray Nebula, Ngc 2818, Supernova Remnant G1.9+0.3, Hourglass Nebula, Ngc 2440, Ngc 1514, Vela Supernova Remnant, Egg Nebula, List of Supernova Remnants, Sn 1181, Ngc 6826, G350.1-0.3, Ngc 7662, Ic 4406, Owl Nebula, Sn 2003gd, Ngc 6751, Ngc 2371-2, Tycho G, Puppis A, Sn 185, Westbrook Nebula, Ngc 3242, Ngc 3132, Ngc 246, Ngc 40, Ngc 6072, Ngc 3195, Little Ghost Nebula, Ngc 2438, Red Spider Nebula, Ic 418, Medusa Nebula, Pulsar Wind Nebula, W49b, Ngc 3918, Rx J0852.0-4622, Shapley 1, Ngc 7008, Ngc 6818, Ngc 2346, Hen 2-47, Ngc 2867, Sn 1998s, Ngc 6210, Ngc 5189, Ngc 6578, Ngc 6884, Ngc 2022, Ngc 6790, Simeis 147, Ngc 5307, Ngc 5315, List of Protoplanetary Nebulae, Ngc 6565, Ngc 7354, Snr G292.0+01.8, Ngc 5882, Ngc 6781, M1-92, Ngc 2899, Rcw103, Water Lily Nebula, Sn 1979c, Ngc 1360, Sstgfls J222557+601148, Lha 120-N 157b, Sn 1959e, Sn 1901b, Sn 2007sr, Ic 289, Cotton Candy Nebula, Ngc 7048, Sn 2004gt, Fast Low-Ionization Emission Region, Ngc 1535, Ic 2448, Ic 2149. Excerpt: A planetary nebula is an emission nebula consisting of an expanding glowing shell of ionized gas ejected during the asymptotic giant branch phase of certain types of stars late in their life. This name originated with their first discovery in the 18th century because of their similarity in appearance to giant planets when viewed through small op...