• 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 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 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 Retrograde and prograde motion
    stars may explain backwards planets", New Scientist, 1 September 2010, Issue 2776. Dong Lai, Francois Foucart, Douglas N. C. Lin, "Evolution of Spin Direction...
    40 KB (4,640 words) - 17:56, 18 July 2024
  • Thumbnail for Dark energy
    implications and observations". Physics Reports. 493 (1): 1–60. arXiv:0909.2776. Bibcode:2010PhR...493....1C. doi:10.1016/j.physrep.2010.04.001. S2CID 118866606...
    86 KB (9,665 words) - 03:05, 12 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
  • 0.046 124.262 0.338 0.0546 120.548 2010 HD 60532 b 3.150 201.825 0.761 0.2776 162.580 2008 Samh 6.673 237.746 0.753 0.2396 16.746 1999 Harriot 0.190 259...
    36 KB (286 words) - 20:08, 22 December 2023