• Thumbnail for Fornax Cluster
    the cluster lies NGC 1399. Other cluster members include NGC 1316 (the group's brightest galaxy), NGC 1365, NGC 1427A, NGC 1427 and NGC 1404. Fornax can...
    12 KB (561 words) - 12:19, 19 July 2024
  • Thumbnail for NGC 4325
    298 km and a mass of 3.2×1013 solar masses. The presence of a metal-rich elongated filament structure in the core of the NGC 4325 along several other...
    15 KB (1,703 words) - 00:09, 17 July 2024
  • This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
    143 KB (492 words) - 03:58, 29 July 2024
  • Thumbnail for Galaxy
    right/bottom): NGC 7541, NGC 3021, NGC 5643, NGC 3254, NGC 3147, NGC 105, NGC 2608, NGC 3583, NGC 3147, MRK 1337, NGC 5861, NGC 2525, NGC 1015, UGC 9391, NGC 691...
    158 KB (15,910 words) - 15:41, 12 August 2024
  • Thumbnail for Elliptical galaxy
    than stars found in spiral galaxies. 3C 244.1 M49 (NGC 4472) M59 (NGC 4621) M60 (NGC 4649) M87 (NGC 4486), whose supermassive black hole was the first...
    17 KB (1,895 words) - 19:20, 7 August 2024
  • Thumbnail for NGC 6753
    NGC 6753 is a massive unbarred spiral galaxy, seen almost exactly face-on, in the southern constellation of Pavo. It was discovered by the English astronomer...
    12 KB (821 words) - 13:04, 18 July 2024
  • Thumbnail for NGC 5084
    as satellites of NGC 5084 and using different equations they estimated the mass of NGC 5084 to be between 6 x 1012 M☉ and 1 x 1013 M☉, which was at that...
    9 KB (966 words) - 00:15, 17 July 2024
  • Thumbnail for Messier 87
    Messier 87 (redirect from NGC 4486)
    Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo that contains...
    90 KB (9,560 words) - 11:06, 18 July 2024
  • Earth after the Sun is Proxima Centauri, about 4.2 light-years (4.0×1013 km; 2.5×1013 mi) or 30 million (3×107) solar diameters away. To visualize that...
    17 KB (1,888 words) - 12:08, 8 August 2024
  • Thumbnail for Galaxy group
    galaxies in a diameter of 1 to 2 megaparsecs (Mpc). Their mass is approximately 1013 solar masses. The spread of velocities for the individual galaxies is about...
    11 KB (995 words) - 12:09, 24 February 2023
  • Thumbnail for Nature
    entire Earth contains over 75 billion tons (150 trillion pounds or about 6.8×1013 kilograms) of biomass (life), which lives within various environments within...
    90 KB (9,617 words) - 19:08, 6 August 2024
  • black holes up to 21 billion (2.1 × 1010) M☉ have been detected, such as NGC 4889.) Unlike stellar mass black holes, supermassive black holes have comparatively...
    24 KB (2,246 words) - 16:56, 17 June 2024
  • diameter of a proton. At this rate, it would take the Earth approximately 3×1013 times more than the current age of the universe to spiral onto the Sun. This...
    104 KB (12,566 words) - 04:59, 12 August 2024
  • languages.) Astronomy – Catalogues: There are 7,840 deep-sky objects in the NGC Catalogue from 1888. Lexicography: 8,674 unique words in the Hebrew Bible...
    90 KB (9,975 words) - 18:31, 20 July 2024
  • Thumbnail for Supermassive black hole
    Possible examples include the black holes at the cores of TON 618, NGC 6166, ESO 444-46 and NGC 4889, which are among the most massive black holes known. Some...
    104 KB (11,046 words) - 12:16, 8 August 2024
  • Thumbnail for Corona Australis
    TY Coronae Australis, illuminates another nebula: reflection nebula NGC 6726/NGC 6727. TY Coronae Australis ranges irregularly between magnitudes 8.7...
    52 KB (4,962 words) - 09:47, 11 August 2024
  • Thumbnail for Orders of magnitude (volume)
    Yervant (1999). "Hubble Space Telescope Measurements of the Expansion of NGC 6543: Parallax Distance and Nebular Evolution". Astronomical Journal. 118...
    36 KB (652 words) - 01:48, 21 May 2024
  • later be known as the NGC 134 Group, group G45 (Pavo-Indus) which would later be known as the NGC 7079, NGC 7144, NGC 7196 and NGC 7213 groups, and group...
    31 KB (1,806 words) - 03:12, 10 June 2024
  • 1012 L☉ are ultraluminous infrared galaxies (ULIRGs). Galaxies exceeding 1013 L☉ are characterised as hyper-luminous infrared galaxies (HyLIRGs). Those...
    21 KB (2,232 words) - 09:28, 17 July 2024
  • Thumbnail for Retrograde and prograde motion
    Ring Configurations of N Bodies". Astrophysics and Space Science. 284 (3): 1013–1033. Bibcode:2003Ap&SS.284.1013K. doi:10.1023/A:1023332226388. S2CID 117212083...
    40 KB (4,640 words) - 17:56, 18 July 2024
  • Thumbnail for Orders of magnitude (mass)
    neutron star material (5000 million tonnes) 10131013 kg Mass of comet 67P/Churyumov–Gerasimenko 4×1013 kg Global annual human carbon dioxide emission...
    79 KB (4,550 words) - 14:51, 28 July 2024
  • Thumbnail for 1054
    c.1012) September 24 – Hermann of Reichenau, German music theorist (b. 1013) Abu Sahl Zawzani, Persian statesman and chief secretary Atiśa, Tibetan Buddhist...
    7 KB (740 words) - 02:30, 24 October 2023
  • Thumbnail for Future of an expanding universe
    171...11C Adams & Laughlin (1997), §IIIF, Table I. p. 428, A deep focus on NGC 1883, A. L. Tadross, Bulletin of the Astronomical Society of India 33, No...
    51 KB (5,565 words) - 23:45, 8 August 2024
  • neutron stars and black holes. The pair are located in the globular cluster NGC 1851. Two insect-like robots, a mini-bug and a water strider, are reported...
    179 KB (16,696 words) - 19:39, 12 August 2024
  • Thumbnail for NGC 536
    NGC 536 is a barred spiral galaxy located in the constellation Andromeda. It is located at a distance of circa 200 million light-years from Earth, which...
    6 KB (525 words) - 19:43, 28 June 2023
  • Thumbnail for Norma (constellation)
    include NGC 6134 with a combined magnitude of 7.2 and located 4000 light-years away from Earth, the spread-out NGC 6167 of magnitude 6.7, NGC 6115 near...
    34 KB (4,009 words) - 12:47, 19 January 2024
  • Cepheid variable distance scale and direct geometric distance measurements to NGC 4258 from the dynamics of maser emission when combined with the Hubble diagram...
    48 KB (5,057 words) - 04:49, 19 July 2024
  • Thumbnail for A2261-BCG
    magnitude (V) ~12 Characteristics Type cD E Number of stars 10 trillion (1013) Apparent size (V) 0.413'× 0.405' Other designations 2MASX J17222717+3207571...
    2 KB (185 words) - 17:17, 8 May 2023
  • Thumbnail for Orders of magnitude (length)
    light-years=24; where "65.00 × 60.0 (arcmin)" sourced from Revised NGC Data for NGC 1976 distance × sin( diameter_angle ), using distance of 5kpc (15.8...
    181 KB (17,274 words) - 03:07, 12 August 2024
  • Thumbnail for Star
    arXiv:1705.00049. Bibcode:2017MNRAS.469.3881S. doi:10.1093/mnras/stx1061. 3.99×1013 km / (3×104 km/h × 24 × 365.25) = 1.5×105 years. Holmberg, J.; Flynn, C....
    146 KB (16,353 words) - 19:43, 1 August 2024