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    Vampire star at work. Artist's concept of blue straggler and its companion. The red giant, losing its outer layers to its companion, will end up as a white dwarf. The other star - the blue straggler - appears to be much younger, than it is, for it has been "feeding" off the other one. (Credit: Aaron M. Geller)

    Reflection nebula in Cepheus cataloged as vdB 152. It's often described as a "ghostly apparition" and the picture shows it looking like the common image of a ghost. (Image credit: Giovanni Benentende) Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    A grinning one-eyed skull? Actually it's NGC 5189, a complex planetary nebula around a dying star. (Credit: NASA/JPL-Caltech/S.Carey (Caltech)) Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    Ghostly Reflections in the Pleiades. (Image Credit: NASA & The Hubble Heritage Team (STScI/AURA)) One of the hot stars of the Pleiades cluster is destroying a dark cloud of gas and dust. That's producing this wispy specter. The blue color shows that it's reflecting starlight. Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    Screaming head with flaming hair. Or maybe just a planetary nebula. Nicknamed the Flaming Skull Nebula. [Credit: T.A. Rector (University of Alaska Anchorage) & H. Schweiker (WIYN and NOAO/AURA/NSF)] Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    The Ghost Nebula (vdB 141). It's a reflection nebula in the constellation Cepheus. The light of stars embedded in the nebula give it the brown color that looks a bit liked dried blood. (Image credit: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOAO/AURA/NSF) Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    DR 6 nebula ("Galactic Ghoul"). This is a star-forming region in the constellation Cygnus, with the central region (the "nose") about 3.5 light years across. The nebula's nickname comes from its resemblance to a ghoulish face, with cavities in the cloud looking rather like two eyes and a devouring mouth. (Credit: S. Carey (Caltech), JPL-Caltech, NASA) Mona Evans, "Cosmic Ghosts Ghouls and Vampires" www.bellaonline.c...

    Little Ghost Nebula. (NGC 6369) (Credit: Hubble Heritage Team, NASA) A planetary nebula in the constellation Ophiucus over 2000 light years away. William Herschel discovered it in the18th century. It's round like a planet, but was actually formed from material ejected by a dying star. What remains of the star is the white dwarf near the center. The nebula's main ring structure is about a light-year across. Mona Evans, “Nebulae” www.bellaonline.c...

    Witch's Broom Nebula. It's part of the Veil Nebula (NGC 6960), the remains of a supernova that exploded more than 15,000 years ago. The bright star (52 Cygnus) near the center of the image isn't associated with the supernova. (Credit: T. A. Rector / University of Alaska Anchorage and WIYN /NOAO/AURA/NSF) Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

    Perseus Cluster’s X-Ray Skull. [Credit: A. Fabian (IoA Cambridge) et al., NASA] Although it looks like something in torment, it’s just an X-Ray image of the Perseus Cluster of Galaxies. It doesn’t show the galaxies, only the X-rays given out by the gas between the galaxies. Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...