enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Cat's Eye Nebula - Wikipedia

    en.wikipedia.org/wiki/Cat's_Eye_Nebula

    The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786. It was the first planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins , demonstrating that planetary nebulae were gaseous ...

  3. Caldwell catalogue - Wikipedia

    en.wikipedia.org/wiki/Caldwell_catalogue

    Iris Nebula: Open Cluster and Nebula: 1.4 Cepheus: 7 C5 IC 342: Hidden Galaxy [7] Spiral Galaxy: 10,000 Camelopardalis: 9 C6 NGC 6543: Cat's Eye Nebula: Planetary Nebula: 3 Draco: 9 C7 NGC 2403 Spiral Galaxy: 14,000 Camelopardalis: 8.4 C8 NGC 559 Open Cluster: 3.7 Cassiopeia: 9.5 C9 Sh2-155: Cave Nebula: Nebula: 2.8 Cepheus: 7.7 C10 NGC 663 ...

  4. Messier 94 - Wikipedia

    en.wikipedia.org/wiki/Messier_94

    Messier 94 (also known as NGC 4736, Cat's Eye Galaxy, Crocodile Eye Galaxy, or Croc's Eye Galaxy [7] [8]) is a spiral galaxy in the mid-northern constellation Canes Venatici. It was discovered by Pierre Méchain in 1781, [ 9 ] and catalogued by Charles Messier two days later.

  5. Portal:Astronomy/Picture/July 2005 - Wikipedia

    en.wikipedia.org/wiki/Portal:Astronomy/Picture/...

    The nebula contains one of the most active star formation regions known, with an open cluster of thousands of stars being formed within it. 9 July 2005 . 10 July 2005 . File:NGC 6543 expansion.gif This image shows the expansion over a period of three years of the planetary nebula NGC 6543, the Cat's Eye Nebula.

  6. The Scale of the Universe - Wikipedia

    en.wikipedia.org/wiki/The_Scale_of_the_Universe

    Cat's Eye Nebula: 3.5 × 10 15 meters 2.5 × 10 15 meters Hourglass Nebula — 3 × 10 15 meters Blinking Nebula — 4.5 × 10 15 meters Light year: 9.5 × 10 15 meters 10 16 meters Rotten Egg Nebula — 1 light year 1.4 × 10 16 meters Ring Nebula: 1.3 × 10 16 meters 2 light years 1.7 × 10 16 meters Oort cloud: 1.5 × 10 15 meters 2 light ...

  7. Portal : Astronomy/Picture/26 June 2005 - Wikipedia

    en.wikipedia.org/wiki/Portal:Astronomy/Picture/...

    The Cat's Eye Nebula is one of the most intricate and complex planetary nebulae known. This Hubble Space Telescope image reveals a mass of twists and knots of material in the nebula's inner region.

  8. Portal:Astronomy/Picture/May 2005 - Wikipedia

    en.wikipedia.org/wiki/Portal:Astronomy/Picture/...

    The Tarantula Nebula is a large H II region in the Large Magellanic Cloud, an irregular galaxy orbiting the Milky Way. If it were as close as the Orion Nebula, it would shine as brightly as the full Moon, and would fill the constellation of Orion. Credit: NASA and the Hubble Heritage Team 15 May 2005 . 16 May 2005

  9. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    Glowing Eye Nebula or Dandelion Puffball Nebula: NGC 6751: 1863 6.5 11.9 Aquila: ... Cat's Eye Nebula: NGC 6543: 1786 3.3 ± 0.9 9.8B Draco: Little Ghost Nebula: NGC ...