• 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 4323
    is a member of the Virgo Cluster. NGC 4323 is commonly misidentified as NGC 4322, which is a 13th magnitude star. NGC 4323 is a companion of Messier 100...
    12 KB (1,138 words) - 06:37, 8 November 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 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
  • Thumbnail for Supernova
    Physics. Vol. 598. pp. 21–36. arXiv:astro-ph/0301107. CiteSeerX 10.1.1.256.2965. doi:10.1007/3-540-45863-8_3. ISBN 978-3-540-44053-6. S2CID 15171296. Doggett...
    201 KB (21,892 words) - 01:14, 4 July 2024
  • 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
  • Constellation Lupus Right ascension 14h 51m 38.30289s Declination −43° 34′ 31.2965″ Apparent magnitude (V) 4.323 (4.84 + 5.27) Characteristics Spectral type...
    7 KB (489 words) - 08:27, 21 October 2022
  • Thumbnail for List of gravitational wave observations
    10−12 8.8 10−5 0.0 0.0 ~1.0 0.0 2.8e-5 S230704f 2023-07-04 02:12:11 1948 2965±978 H,L 2.8 10−9 0.149 0.0 0.0 0.997 0.0 0.0026 S230706ah 2023-07-06 10:43:33...
    202 KB (5,859 words) - 21:39, 5 July 2024
  • (12). Springer Science and Business Media LLC: 1812–1819. doi:10.1038/nm.2965. ISSN 1078-8956. PMID 23178247. S2CID 22709944. McGrath, Matt (2012-11-22)...
    397 KB (38,851 words) - 02:54, 28 June 2024