• Thumbnail for NGC 2903
    NGC 2903 is an isolated barred spiral galaxy in the equatorial constellation of Leo, positioned about 1.5° due south of Lambda Leonis. It was discovered...
    10 KB (846 words) - 00:20, 3 December 2023
  • Thumbnail for NGC 2800
    NGC 2800, also known as PGC 26302, is an elliptical galaxy in the constellation Ursa Major. It was discovered February 17, 1831 by William Herschel. Skrutskie...
    3 KB (190 words) - 20:24, 12 August 2023
  • Thumbnail for NGC 3081
    "The 1–200 keV X-Ray Spectrum of NGC 2992 and NGC 3081". The Astrophysical Journal. 666 (1): 122–127. arXiv:0704.2698. Bibcode:2007ApJ...666..122B. doi:10...
    11 KB (1,287 words) - 07:17, 19 November 2023
  • Thumbnail for NGC 2509
    NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty...
    3 KB (286 words) - 21:06, 28 June 2023
  • Thumbnail for NGC 2950
    NGC 2950 is a lenticular galaxy in the northern constellation of Ursa Major, about 50 million light years from the Milky Way and receding with a heliocentric...
    9 KB (501 words) - 21:01, 21 October 2023
  • Thumbnail for History of supernova observation
    "Ancient supernovae found written into the Antarctic ice". New Scientist (2698). March 4, 2009. Retrieved March 9, 2009. Refers to [1]. Perrotto, Trent;...
    45 KB (5,058 words) - 18:17, 3 August 2024
  • Thumbnail for NGC 2803
    NGC 2803, also known as PCG 26181, is an elliptical or lenticular galaxy in the zodiac constellation Cancer. It was discovered March 21, 1784, by William...
    3 KB (199 words) - 17:51, 18 January 2024