• 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 NGC 4194
    "X-Ray Sources in the Star-Forming Galaxies NGC 4194 and NGC 7541". The Astrophysical Journal. 682 (2): 1020–1028. arXiv:0805.0683. Bibcode:2008ApJ...682...
    12 KB (928 words) - 06:01, 10 June 2024
  • Thumbnail for Starburst galaxy
    close encounter with another galaxy. Starburst galaxies include M82, NGC 4038/NGC 4039 (the Antennae Galaxies), and IC 10. Starburst galaxies are defined...
    19 KB (2,063 words) - 17:11, 7 August 2024
  • Thumbnail for List of dark nebulae
    925 LDN 930 LDN 935 LDN 940 LDN 950 LDN 954 LDN 958 LDN 972 LDN 1010 LDN 1020 LDN 1066 LDN 1073 LDN 1083 LDN 1105 LDN 1109 LDN 1139 LDN 1141 LDN 1142 LDN...
    7 KB (849 words) - 03:41, 16 July 2024
  • Thumbnail for NGC 5204
    or 1.37×1020 kilometres. Ji-Feng Liu; Joel N. Bregman & Patrick Seitzer (2004). "The Optical Counterpart of an Ultraluminous X-Ray Source in NGC 5204"....
    12 KB (1,495 words) - 20:12, 21 July 2024
  • Thumbnail for NGC 4278
    NGC 4062, NGC 4136, NGC 4173, NGC 4203, NGC 4245, NGC 4251, NGC 4274, NGC 4283, NGC 4310, NGC 4314, NGC 4359, NGC 4414, NGC 4509, and NGC 4525. Another...
    15 KB (1,776 words) - 00:06, 17 July 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
  • Thumbnail for NGC 4939
    1088/0004-637X/746/2/168. S2CID 119277531. "IGR J13042-1020: a massive black hole in spiral galaxy NGC 4939". sci.esa.int. ESA. 11 June 2010. Eskridge, Paul...
    9 KB (950 words) - 00:15, 3 December 2023
  • Thumbnail for NGC 7469
    NGC 7469 is an intermediate spiral galaxy in the constellation of Pegasus. NGC 7469 is located about 200 million light-years away from Earth, which means...
    25 KB (2,905 words) - 03:36, 28 April 2024
  • Thumbnail for 1054
    nobleman (b. 992) August 31 – Kunigunde of Altdorf, German noblewoman (b. c.1020) September 1 – Fortún Sánchez, Navarrese nobleman (b. c.992) September 15...
    7 KB (740 words) - 02:30, 24 October 2023
  • Thumbnail for Star
    hydrogen in the core; stars just above this limit have been located in the NGC 6397 cluster. The faintest red dwarfs in the cluster are absolute magnitude...
    146 KB (16,353 words) - 19:43, 1 August 2024
  • Thumbnail for List of largest stars
    during and after the 2002 eruption". Astronomy & Astrophysics. 436 (3): 1009–1020. arXiv:astro-ph/0502060. Bibcode:2005A&A...436.1009T. doi:10.1051/0004-6361:20052800...
    247 KB (10,489 words) - 18:59, 12 August 2024
  • Thumbnail for Orders of magnitude (mass)
    larger asteroids in the asteroid belt 3×1019 kg The rings of Saturn 1020 9.4×1020 kg Ceres, dwarf planet within the asteroid belt 1021 yottagram (Yg)...
    79 KB (4,550 words) - 14:51, 28 July 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
  • 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 NGC 830
    NGC 830 is a barred lenticular galaxy in the constellation Cetus. It is estimated to be about 170 million light-years from the Milky Way and has a diameter...
    3 KB (214 words) - 17:04, 15 June 2023
  • Thumbnail for White dwarf
    Assuming that the universe continues to expand, it is thought that in 1019 to 1020 years, the galaxies will evaporate as their stars escape into intergalactic...
    163 KB (18,597 words) - 05:12, 17 July 2024
  • Thumbnail for Retrograde and prograde motion
    direction relative to the Milky Way's rotation, is colliding with the Milky Way. NGC 7331 is an example of a galaxy that has a bulge that is rotating in the opposite...
    40 KB (4,640 words) - 17:56, 18 July 2024
  • Thumbnail for Neutrino
    above that threshold. Thus, an average nuclear power plant may generate over 1020 antineutrinos per second above the threshold, but also a much larger number...
    134 KB (13,594 words) - 10:53, 16 July 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 Cyano radical
    detection of •CN in extragalactic sources were seen toward Sculptor Galaxy (NGC 253), IC 342, and M82 In 1988. These emission lines seen were from N = 1...
    8 KB (774 words) - 21:49, 26 July 2024
  • Galaxies with Extreme Properties, Alan W. McConnachie et al. 2008, ApJ 688 1009–1020, https://arxiv.org/abs/0806.3988 Archived 2017-12-01 at the Wayback Machine...
    132 KB (6,675 words) - 08:11, 29 July 2024
  • 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
  • Thumbnail for Astronomy
    such as the astrolabe. Hipparchus also created a comprehensive catalog of 1020 stars, and most of the constellations of the northern hemisphere derive from...
    98 KB (10,182 words) - 20:03, 5 August 2024
  • Thumbnail for PG 1543+489
    simulations. The Lyα absorber in PG 1543+489 has H I column density of NH I ≥slant 1020.3 cm−2, implying there is an incidence per absorption length, X = 0.017-0...
    27 KB (3,173 words) - 18:42, 2 August 2024
  • Thumbnail for List of gravitational wave observations
    observatories; first polarization measurement GW170817 12:41:04 2017-10-16 16; NGC 4993 33.0+0.0 −2.1 40±10 ≥ 0.04 1.186+0.001 −0.001 0.00+0.02 −0.01 NS 1.46+0...
    204 KB (5,891 words) - 05:13, 13 August 2024
  • Thumbnail for V838 Monocerotis
    and after the 2002 eruption". Astronomy and Astrophysics. 436 (3): 1009–1020. arXiv:astro-ph/0502060. Bibcode:2005A&A...436.1009T. doi:10.1051/0004-6361:20052800...
    31 KB (3,162 words) - 07:29, 18 July 2024
  • Earth are predicted to be very small, having strains of less than 1 part in 1020. Scientists demonstrate the existence of these waves with highly-sensitive...
    104 KB (12,566 words) - 04:59, 12 August 2024
  • Thumbnail for Zeta Ceti
    designated WDS J01515-1020 (the secondary or 'B' component is HD 11366). Zeta Ceti's two components are therefore designated WDS J01515-1020 Aa and Ab. Aa is...
    14 KB (1,130 words) - 17:28, 20 May 2024
  • Thumbnail for Zulu language
    Computational Linguistics. Beijing, China: Tsinghua University Press. p. 1020. Rakkenes, Øystein (2003) Himmelfolket: En Norsk Høvding i Zululand, Oslo:...
    61 KB (5,142 words) - 07:51, 13 August 2024