• and 95 (1195). palindromic in bases 11 (8811), 15 (6615), 23 (4423), 31 (3331), 47 (2247) and 95 (1195). an Erdős–Woods number, since it is possible to...
    6 KB (726 words) - 10:10, 9 August 2024
  • Thumbnail for NGC 3169
    NGC 3169 is a spiral galaxy about 75 million light years away in the constellation Sextans. It has the morphological classification SA(s)a pec, which...
    11 KB (887 words) - 07:36, 23 August 2024
  • Thumbnail for NGC 3486
    NGC 3486 is an intermediate barred spiral galaxy located about 27.4 million light years away in the constellation of Leo Minor. It has a morphological...
    6 KB (428 words) - 07:39, 23 August 2024
  • Thumbnail for NGC 3007
    NGC 3007 is an edge-on, magnitude 13.4, lenticular galaxy in the constellation of Sextans, discovered by French astronomer Édouard Stephan on March 16...
    2 KB (117 words) - 19:18, 27 August 2024
  • Thumbnail for NGC 7213
    towards the nucleus of the active galaxy NGC 7213". Monthly Notices of the Royal Astronomical Society. 438 (4): 3322–3331. arXiv:1401.5650. Bibcode:2014MNRAS...
    11 KB (1,367 words) - 13:11, 18 July 2024
  • Thumbnail for General Dynamics F-16 Fighting Falcon
    Australia. Archived from the original on 19 June 2008. Retrieved 21 June 2008. "NGC's SABR to Help Extend Viability of USAF F-16s Beyond 2025". ASDNews.com. Archived...
    197 KB (19,007 words) - 00:22, 17 October 2024
  • Thumbnail for NGC 3302
    NGC 3302 is an unbarred lenticular galaxy in the constellation Antlia. It was discovered by the astronomer John Herschel on January 28, 1835. "NGC 3302"...
    2 KB (77 words) - 18:04, 18 January 2024
  • Thumbnail for NGC 3009
    NGC 3009 is a lenticular galaxy in the constellation of Ursa Major. It is about 35 thousand light years across, and with a recessional velocity of 4,445...
    2 KB (152 words) - 19:02, 14 October 2024
  • in the Mertens function, of −3 and −4 respectively. The numbers 31, 331, 3331, 33331, 333331, 3333331, and 33333331 are all prime. For a time it was thought...
    16 KB (2,266 words) - 11:23, 29 September 2024
  • Thumbnail for NGC 3301
    NGC 3301, also known as NGC 3760, is a lenticular galaxy in the constellation Leo. Its apparent magnitude in the V-band is 11.1. It was first observed...
    4 KB (313 words) - 09:21, 26 August 2024