• 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 7209
    NGC 7209 is an open cluster in the constellation Lacerta. It was discovered by William Herschel on 19 October 1787. The cluster lies 3,810 light years...
    4 KB (431 words) - 15:27, 29 September 2024
  • Thumbnail for NGC 7720
    NGC 7720 is an elliptical galaxy located in the constellation Pegasus. It is located at a distance of about 380 million light years from Earth, which...
    9 KB (987 words) - 00:22, 17 July 2024
  • Thumbnail for NGC 4393
    NGC 4393 is a spiral galaxy about 46 million light-years away in the constellation Coma Berenices. It was discovered by astronomer William Herschel on...
    8 KB (720 words) - 12:35, 18 July 2024
  • Thumbnail for NGC 4036
    W. E. (ed.), "Supernova 2007gi in NGC 4036", Central Bureau Electronic Telegrams, 1021: 1, Bibcode:2007CBET.1021....1H. Zhang, T.; et al. (January 2010)...
    11 KB (910 words) - 23:58, 16 July 2024
  • Thumbnail for NGC 2974
    NGC 2974 (also catalogued as NGC 2652) is a lenticular galaxy located in the constellation Sextans. It is located at a distance of circa 90 million light...
    12 KB (1,315 words) - 13:46, 6 September 2024
  • Thumbnail for Ethylene glycol dinitrate
    Ethylene glycol dinitrate, abbreviated EGDN and NGC, also known as Nitroglycol, is a colorless, oily, explosive liquid obtained by nitrating ethylene...
    10 KB (945 words) - 06:17, 4 October 2023
  • Thumbnail for Hydrogen
    Catalysts". Journal of the American Chemical Society. 79 (20): 5385–5388. doi:10.1021/ja01577a013. Clark, J. (2002). "The Acidity of the Hydrogen Halides". Chemguide...
    121 KB (12,377 words) - 14:27, 16 September 2024
  • Thumbnail for NGC 5617
    NGC 5617 is an open cluster in the constellation Centaurus. NGC 5617 forms a binary open cluster with Trumpler 22. It lies one degree west-northwest of...
    8 KB (953 words) - 12:55, 18 July 2024
  • massive stars: observations centered on the Magellanic Cloud clusters NGC 330, NGC 346, NGC 2004, and the N11 region". Astronomy & Astrophysics. 456 (2): 623–638...
    165 KB (8,888 words) - 13:24, 18 October 2024
  • Thumbnail for NGC 4513
    NGC 4513 is a lenticular galaxy and a ring galaxy located about 110 million light-years away in the constellation Draco. It was discovered by astronomer...
    6 KB (545 words) - 12:40, 18 July 2024
  • Thumbnail for The Scale of the Universe
    × 1021 meters Pinwheel Galaxy 1.8 × 1021 meters 170,000 light years 1.7 × 1021 meters Whirlpool Galaxy — 180,000 light years 1.8 × 1021 meters NGC 1232...
    35 KB (407 words) - 16:50, 17 October 2024
  • Thumbnail for NGC 4267
    Virgo Cluster. List of NGC objects (4001–5000) NGC 4262 NGC 4340 NGC 4477 "NASA/IPAC Extragalactic Database". Results for NGC 4267. Retrieved 2018-08-13...
    3 KB (230 words) - 19:59, 3 June 2023
  • Thumbnail for List of most luminous stars
    massive stars: observations centered on the Magellanic Cloud clusters NGC 330, NGC 346, NGC 2004, and the N11 region". Astronomy & Astrophysics. 456 (2): 623–638...
    170 KB (10,535 words) - 02:54, 8 October 2024
  • Thumbnail for Supernova
    in the Andromeda Galaxy. A second supernova, SN 1895B, was discovered in NGC 5253 a decade later. Early work on what was originally believed to be simply...
    201 KB (21,940 words) - 16:09, 19 October 2024
  • Thumbnail for NGC 4636
    NGC 4636 is an elliptical galaxy located in the constellation Virgo. It is a member of the NGC 4753 Group of galaxies, which is a member of the Virgo II...
    25 KB (2,995 words) - 23:18, 5 September 2024
  • Thumbnail for NGC 550
    NGC 550 is a spiral galaxy in the constellation Cetus. It is estimated to be about 300 million light-years from the Milky Way and has a diameter of approximately...
    4 KB (281 words) - 15:39, 18 January 2024
  • Thumbnail for NGC 5470
    NGC 5470 is an edge-on spiral galaxy located between 43 and 68 million light-years away in the constellation Virgo. It was discovered by astronomer John...
    4 KB (293 words) - 14:00, 28 November 2023
  • 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...
    182 KB (17,348 words) - 23:11, 19 October 2024
  • to exist in the interstellar medium. Its first detection, in the nebula NGC 7027, was reported in an article published in the journal Nature in April...
    30 KB (2,989 words) - 04:56, 16 October 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...
    218 KB (6,143 words) - 04:03, 14 October 2024
  • Thumbnail for Ammonia
    from interstellar grains in the Becklin–Neugebauer Object and probably in NGC 2264-IR as well. This detection helped explain the physical shape of previously...
    138 KB (14,909 words) - 13:47, 21 September 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 (9,976 words) - 15:52, 20 October 2024
  • Thumbnail for History of supernova observation
    degenerate companion star. In particular, the light curve of SN1972e in NGC 5253, which was observed for more than a year, was followed long enough to...
    46 KB (5,066 words) - 20:43, 12 September 2024
  • Thumbnail for Shale gas
    Gas". ACS Sustainable Chemistry & Engineering. 6 (2): 1803–1824. doi:10.1021/acssuschemeng.7b03198. Man Uni News article Frackland[unreliable source?]...
    78 KB (9,041 words) - 23:27, 12 September 2024
  • Thumbnail for Clathrate hydrate
    broad ice feature between 87 and 90 μm, which is very similar to the one in NGC 6302 (the Bug or Butterfly nebula in Scorpius). Crystalline ices were also...
    37 KB (4,350 words) - 12:39, 19 August 2024
  • Thumbnail for SDSS J1228+1040
    should contain most of the mass of the progenitor, which they estimate to be 1021 g, equivalent to a body with a size of about 50 km. In 2009 a dusty component...
    16 KB (1,631 words) - 06:49, 20 September 2024
  • Thumbnail for Diffuse interstellar bands
    2113100403. Sollerman, J.; et al. (2005). "Diffuse Interstellar Bands in NGC 1448". Astronomy and Astrophysics. 429 (2): 559–567. arXiv:astro-ph/0409340...
    18 KB (2,096 words) - 13:24, 17 August 2024
  • Thumbnail for Aspirin
    119.044142. PMC 7286412. PMID 32223674. National Guideline Clearinghouse (NGC). "2011 ACCF/AHA/SCAI guideline for percutaneous coronary artery intervention...
    155 KB (16,693 words) - 15:38, 18 October 2024