• Thumbnail for Triangulum Galaxy
    Triangulum Galaxy (redirect from NGC 598)
    Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC (New General Catalogue) 598. With the D25 isophotal diameter of 18.74 kiloparsecs...
    48 KB (5,097 words) - 19:35, 29 July 2024
  • Thumbnail for Atlas of Peculiar Galaxies
    galaxies, including M51 (Arp 85), Arp 220, and the Antennae Galaxies (NGC 4038/NGC 4039, or Arp 244). A few of the galaxies are simply dwarf galaxies that...
    72 KB (4,868 words) - 00:29, 10 September 2024
  • Thumbnail for NGC 6818
    The Little Gem Nebula or NGC 6818 is a planetary nebula located in the constellation of Sagittarius. It has magnitude 10 and oval diameter of 15 to 22...
    3 KB (266 words) - 18:38, 18 January 2024
  • Thumbnail for NGC 6509
    NGC 6509 is a spiral galaxy in the equatorial constellation of Ophiuchus. It was discovered on July 20, 1879 by the French astronomer Édouard Stephan...
    6 KB (381 words) - 17:11, 28 August 2024
  • and Fate of the Sun". The Astrophysical Journal. 753 (9): 9. arXiv:1205.6865. Bibcode:2012ApJ...753....9V. doi:10.1088/0004-637X/753/1/9. S2CID 53071454...
    17 KB (1,907 words) - 01:28, 19 August 2024
  • Thumbnail for Future of an expanding universe
    and Fate of the Sun". The Astrophysical Journal. 753 (1): 9. arXiv:1205.6865. Bibcode:2012ApJ...753....9V. doi:10.1088/0004-637X/753/1/9. S2CID 53071454...
    52 KB (5,647 words) - 14:27, 4 September 2024
  • Thumbnail for NGC 6782
    NGC 6782 is a barred spiral galaxy located in the southern constellation of Pavo, at a distance of approximately 173 megalight-years from the Milky Way...
    7 KB (532 words) - 19:23, 13 April 2024