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  2. Stingray Nebula - Wikipedia

    en.wikipedia.org/wiki/Stingray_Nebula

    The Stingray Nebula (Hen 3-1357) is the youngest-known planetary nebula, having appeared in the 1980s. [2] The nebula is located in the direction of the southern constellation Ara (the Altar), and is located 18,000 light-years (5,600 parsecs ) away.

  3. List of largest nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_nebulae

    The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [16] [17] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [18] [19] [20] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [21] Emission nebula: NGC 592

  4. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    Cat's Eye Nebula: NGC 6543: 1786 3.3 ± 0.9 9.8B Draco: Little Ghost Nebula: NGC 6369: 1800 (prior to) 2 ± 3 9.9 Ophiuchus: Medusa Nebula: Abell 21 1955 1.0 (approx.) 15.99 Gemini: Jewel Bug Nebula: NGC 7027: 1878 3.0 (approx.) 10 Cygnus: Helix Nebula: NGC 7293: 1824 0.68 +0.15 −0.08: 7.6 Aquarius: Little Dumbbell Nebula: M76: NGC 650, NGC ...

  5. Orders of magnitude (volume) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(volume)

    Volume of the bright inner nebula of the Cat's Eye Nebula [16] 5.5 × 10 46: The volume of a Bok globule like Barnard 68 [19] [20] 4.4 × 10 47: The volume of a Bok globule one light year across [19] [20] 8.47 × 10 47: One cubic light-year ~1.7 × 10 48: Volume of the Oort Cloud, assuming a radius of 50 000 AU ~1.6 × 10 49: Volume of the ...

  6. NGC 6193 - Wikipedia

    en.wikipedia.org/wiki/NGC_6193

    NGC 6193 (also known as Caldwell 82) is open cluster containing 27 stars in the constellation Ara, visible to the unaided eye. [1] NGC 6193 lies at the center of the Ara OB1 association, which extends over a square degree.

  7. Hubble Space Telescope - Wikipedia

    en.wikipedia.org/wiki/Hubble_Space_Telescope

    At launch, NASA had spent approximately US$4.7 billion in inflation-adjusted 2010 dollars on the project. [74] Hubble's cumulative costs are estimated to be about US$11.3 billion in 2015 dollars, which include all subsequent servicing costs, but not ongoing operations, making it the most expensive science mission in NASA history. [75]

  8. STS-41-D - Wikipedia

    en.wikipedia.org/wiki/STS-41-D

    During the June 26, 1984, launch attempt, there was a launch abort at T−4 seconds, followed by a pad fire about ten minutes later. [3] [4] Because the center engine had not started when the abort was triggered, confusion ensued as the flight controllers were unable to verify its state: Commentary: "We have a cut off".

  9. STS-34 - Wikipedia

    en.wikipedia.org/wiki/STS-34

    STS-34 was a NASA Space Shuttle mission using Atlantis.It was the 31st shuttle mission overall, and the fifth flight for Atlantis. [1] STS-34 launched from Kennedy Space Center, Florida, on October 18, 1989, and landed at Edwards Air Force Base, California, on October 23, 1989.