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  2. Boomerang Nebula - Wikipedia

    en.wikipedia.org/wiki/Boomerang_Nebula

    The Boomerang Nebula is a protoplanetary nebula [2] located 5,000 light-years from Earth in the constellation Centaurus. It is also known as the Bow Tie Nebula and catalogued as LEDA 3074547. [ 3 ] The nebula's temperature is measured at 1 K (−272.15 °C ; −457.87 °F ) making it the coolest natural place currently known in the Universe .

  3. NGC 6302 - Wikipedia

    en.wikipedia.org/wiki/NGC_6302

    The structure in the nebula is among the most complex ever seen in planetary nebulae. The spectrum of Butterfly Nebula shows that its central star is one of the hottest stars known, with a surface temperature in excess of 250,000 degrees Celsius, implying that the star from which it formed must have been very large.

  4. Sh 2-308 - Wikipedia

    en.wikipedia.org/wiki/Sh_2-308

    The nebula was formed about 70,000 years ago by the star EZ Canis Majoris throwing off its outer hydrogen layers, revealing inner layers of heavier elements. [2] Fast stellar winds, blowing at 1,700 km/s (3.8 million mph) from this star, create the bubble-shaped nebula as they sweep up slower moving material from an earlier phase of the star's evolution.

  5. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    Eye of Sauron Nebula M 1-42: 10 14 Sagittarius See also. Lists of astronomical objects; Lists of planets; References. This page was last edited on 29 ...

  6. List of largest nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_nebulae

    Spiral nebula surrounding NGC 262, which is one of the largest known galaxies. Ivory Nebula: 1,190,500 ly (365,000 pc) [2] Enormous Lyα nebula (ELAN) Also called MLAN1 at z=2.31. Another ELAN, called MLAN 10 is nearby. Q0042−2627 nebula 1,040,000 ly (320,000 pc) [10] Enormous Lyα nebula (ELAN) Around the quasar LBQS 0042-2627, at z=3.280

  7. Orion Nebula - Wikipedia

    en.wikipedia.org/wiki/Orion_nebula

    The Orion Nebula is part of a much larger nebula known as the Orion molecular cloud complex, which extends throughout the constellation of Orion and includes Barnard's Loop, the Horsehead Nebula, M43, M78, and the Flame Nebula. Stars are forming throughout the entire Cloud Complex, but most of the young stars are concentrated in dense clusters ...

  8. NGC 281 - Wikipedia

    en.wikipedia.org/wiki/NGC_281

    IC 11, Sh2-184, [3] Sharpless 184, [1] LBN 616, LBN 123.17-06.28, Pacman Nebula See also: Lists of nebulae NGC 281 , IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way 's Perseus Spiral Arm .

  9. Helix Nebula - Wikipedia

    en.wikipedia.org/wiki/Helix_nebula

    The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding , most likely before 1824, this object is one of the closest of all the bright planetary nebulae to Earth. [ 3 ]