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  2. Veil Nebula - Wikipedia

    en.wikipedia.org/wiki/Veil_Nebula

    The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. [ 4 ] It constitutes the visible portions of the Cygnus Loop , [ 5 ] a supernova remnant , many portions of which have acquired their own individual names and catalogue identifiers.

  3. Cygnus Loop - Wikipedia

    en.wikipedia.org/wiki/Cygnus_Loop

    The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly 3° across. [1] Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible electromagnetic range. [1] Radio, infrared, and X-ray images reveal the ...

  4. List of supernova remnants - Wikipedia

    en.wikipedia.org/wiki/List_of_supernova_remnants

    This is a list of observed supernova remnants ... including Veil Nebula: 20 h 51 m +30° 40′ 6,000−3,000 BCE: 7: 1,470? possible neutron star 2XMM J204920.2+290106

  5. A supernova first seen in 1181 is releasing glowing filaments

    www.aol.com/astronomers-capture-stunning-3d...

    Astronomers studying the site of a supernova seen 843 years ago have captured an image of the strange filaments left behind by the stellar explosion.

  6. Cygnus (constellation) - Wikipedia

    en.wikipedia.org/wiki/Cygnus_(constellation)

    NGC 6992 (Eastern Veil Nebula – center) and NGC 6960 (Western Veil Nebula – upper right) photographed from a dark site. To the south of Epsilon Cygni is the Veil Nebula (NGC 6960, 6979, 6992, and 6995), a 5,000-year-old supernova remnant covering approximately 3 degrees of the sky - [66] it is over 50 light-years long. [4]

  7. A supernova shone in the night sky 1,000 years ago ... - AOL

    www.aol.com/news/supernova-shone-night-sky-1...

    This is the remnant of that supernova.” The nebula is about 7,000 light-years away from Earth, and at its center there is a fast-spinning, Earth-size object called a white dwarf — a dense ...

  8. Supernova remnant - Wikipedia

    en.wikipedia.org/wiki/Supernova_remnant

    SN 1054 remnant (Crab Nebula).. A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova.The supernova remnant is bounded by an expanding shock wave, and consists of ejected material expanding from the explosion, and the interstellar material it sweeps up and shocks along the way.

  9. List of largest nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_nebulae

    Part of another diffuse nebula IC 4703. Rosette Nebula: 130 ly (40 pc) [43] H II region: Only 36 stars were known to be in this nebula but the Chandra telescope increased the number of known stars to 160. Lagoon Nebula: 110 ly (34 pc) [44] H II region: Veil Nebula: 100–130 ly (31–40 pc) [45] Supernova remnant: Located in the Cygnus Loop ...