• Thumbnail for NGC 1027
    NGC 1027 is an open cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1787. It is visible at the eastern part of the constellation...
    2 KB (164 words) - 21:29, 6 July 2022
  • Thumbnail for Cat's Eye Nebula
    Cat's Eye Nebula (redirect from NGC 6543)
    The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel...
    25 KB (2,789 words) - 18:48, 20 April 2024
  • II Program. The catalogue contains 400 objects. All objects are from the NGC. All objects are visible in mid northern latitudes, since they were all observed...
    91 KB (395 words) - 23:30, 5 March 2024
  • Thumbnail for Melotte catalogue
    2020-06-26. "ngc 1857". sim-id. Retrieved 2020-06-26. "ngc 2192". sim-id. Retrieved 2020-06-26. "ngc 2215". sim-id. Retrieved 2020-06-26. "ngc 2243". sim-id...
    37 KB (344 words) - 00:25, 23 May 2023
  • 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) - 09:51, 14 March 2024
  • Thumbnail for Collinder catalogue
    Embedded within Messier 24. Associated with Messier 17. Associated with NGC 6820. Embedded within the Iris Nebula. There are some errors in Collinder's...
    60 KB (535 words) - 18:22, 29 February 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...
    23 KB (2,202 words) - 11:27, 3 April 2024
  • Thumbnail for Timeline of the early universe
    order of 10−33 to 10−32 seconds. The universe is supercooled from about 1027 down to 1022 kelvin. c. 10−32 seconds: Cosmic inflation ends. The familiar...
    36 KB (4,978 words) - 09:10, 17 April 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) - 21:57, 14 January 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...
    89 KB (9,944 words) - 23:23, 11 April 2024
  • 6
    Scorpius, also known as the Butterfly Cluster The New General Catalogue object NGC 6, a spiral galaxy in the constellation Andromeda The Roman numeral VI: Stands...
    60 KB (6,328 words) - 23:40, 22 April 2024
  • Thumbnail for Orders of magnitude (mass)
    zettagram 10−24 g yg yoctogram 1024 g Yg yottagram 10−27 g rg rontogram 1027 g Rg ronnagram 10−30 g qg quectogram 1030 g Qg quettagram Common prefixes...
    79 KB (4,546 words) - 23:45, 16 March 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...
    172 KB (16,291 words) - 03:07, 24 April 2024
  • seconds) followed by an exponential expansion of space by a scale multiplier of 1027 or more, known as cosmic inflation. The early universe remained hot (above...
    96 KB (11,069 words) - 14:36, 18 April 2024
  • Thumbnail for Shang dynasty
    ISBN 0-395-87274-X. Flad, Rowan (28 February 2010). "Shang Dynasty Human Sacrifice". NGC Presents. National Geographic. Pietrusewsky, Michael (2005). "The physical...
    66 KB (7,570 words) - 02:49, 10 April 2024
  • Thumbnail for Cosmology
    Optical Telescope". Astronomy & Astrophysics. 499 (2): 395–408. arXiv:0903.1027. Bibcode:2009A&A...499..395P. doi:10.1051/0004-6361/200811387. ISSN 0004-6361...
    51 KB (3,263 words) - 19:20, 24 April 2024
  • molecule was first announced to have been observed in interstellar space, in NGC 7027, a planetary nebula within this galaxy. (Much later, atomic hydrogen...
    137 KB (13,917 words) - 17:22, 13 April 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...
    141 KB (15,325 words) - 20:27, 19 April 2024
  • Thumbnail for Corona Borealis
    Corona Borealis contains few galaxies observable with amateur telescopes. NGC 6085 and 6086 are a faint spiral and elliptical galaxy respectively close...
    54 KB (6,310 words) - 00:43, 20 April 2024
  • Thumbnail for Solar analog
    Kepler-452 b". Extrasolar Planets Encyclopaedia. Retrieved 6 July 2016. Cl* NGC 2682 YBP 1194 at SIMBAD - Ids - Bibliography - Image. A. Önehag; A. Korn;...
    39 KB (3,437 words) - 20:26, 19 April 2024
  • Thumbnail for Alpha Camelopardalis
    suggested as a candidate runaway star that had been ejected from the cluster NGC 1502. This was based upon the kinematic properties of the star and cluster...
    14 KB (1,325 words) - 13:51, 24 April 2024
  • harbor a magnetic dynamo needed to power X-ray emission, an X-ray flux of 3.6×1027 erg/s has been detected at these coordinates. This may indicate that the...
    9 KB (723 words) - 12:38, 14 May 2023
  • Thumbnail for Delta Coronae Borealis
    the slowly rotating G giant δ CrB". Astronomy and Astrophysics. 431 (3): 1027–1035. Bibcode:2005A&A...431.1027G. doi:10.1051/0004-6361:20041991. "del CrB"...
    8 KB (655 words) - 11:18, 20 January 2024
  • -ray emission from this system. This emission has a luminosity of 504.4×1027 erg s−1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia...
    7 KB (552 words) - 05:28, 27 March 2022
  • two billion years. However, is an X-ray source with a luminosity of 214.3×1027 erg s−1, which is unusually high for the older age estimate. The metallicity...
    8 KB (724 words) - 10:10, 16 November 2022
  • 147513 b 1.21 528.4 1.32 radial vel. 2003 42.11 1.11 5883 HD 148156 b 0.85 1027 2.45 radial vel. 2009 186.63 1.22 6308 HD 148427 b 1.3 331.5 1.04 radial...
    54 KB (961 words) - 20:57, 22 January 2024
  • Maïssa (2019), "A Hot Saturn Near (But Unassociated with) the Open Cluster NGC 1817", The Astronomical Journal, 158 (2): 62, arXiv:1906.02395, Bibcode:2019AJ...
    125 KB (5,857 words) - 10:03, 24 April 2024
  • Gliese 439 b 0.036 8.135 0.078 0.1875 2011 HD 69830 b 0.032 8.667 0.078 0.1027 2006 Gliese 176 b 0.076 8.784 0.066 0.2286 2007 HD 181433 b 0.024 9.374 0...
    36 KB (286 words) - 20:08, 22 December 2023