• 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 Cat's Eye Nebula
    Cat's Eye Nebula (redirect from NGC 6543)
    "Physical conditions in the planetary nebula NGC 6543", Monthly Notices of the Royal Astronomical Society, 351 (3): 1026–1042, Bibcode:2004MNRAS.351.1026W, doi:10...
    25 KB (2,848 words) - 09:06, 17 October 2024
  • Thumbnail for NGC 5988
    NGC 5988 is a large spiral galaxy in the constellation of Serpens. Its velocity with respect to the cosmic microwave background is 10697 ± 10 km/s, which...
    3 KB (184 words) - 17:51, 21 August 2024
  • Thumbnail for Arp 271
    Arp 271 (redirect from NGC 5426)
    Arp 271 is a pair of similarly sized interacting spiral galaxies, NGC 5426 and NGC 5427, in the constellation of Virgo. It is not certain whether the galaxies...
    5 KB (356 words) - 20:32, 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...
    25 KB (2,515 words) - 22:58, 13 October 2024
  • Thumbnail for NGC 5466
    II. The low-concentration clusters NGC 288, NGC 5466, and M 55 (NGC 6809)". The Astrophysical Journal. 102: 1026–1042. Bibcode:1991AJ....102.1026P. doi:10...
    12 KB (1,060 words) - 13:39, 20 August 2024
  • Thumbnail for Expansion of the universe
    factor of at least 1078 (an expansion of distance by a factor of at least 1026 in each of the three dimensions). This would be equivalent to expanding an...
    53 KB (6,979 words) - 21:33, 25 September 2024
  • Thumbnail for NGC 7418
    NGC 7418 is an intermediate spiral galaxy located in the constellation Grus. It is located at a distance of circa 60 million light-years from Earth, which...
    12 KB (1,030 words) - 08:14, 23 August 2024
  • Thumbnail for Universe
    13.787 ± 0.020 billion years Diameter Unknown. Observable universe: 8.8×1026 m (28.5 Gpc or 93 Gly) Mass (ordinary matter) At least 1053 kg Average density...
    158 KB (16,558 words) - 01:01, 26 September 2024
  • Thumbnail for Timeline of the early universe
    seconds: Space is subjected to inflation, expanding by a factor of the order of 1026 over a time of the order of 10−33 to 10−32 seconds. The universe is supercooled...
    36 KB (5,008 words) - 07:50, 6 October 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
  • 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
  • open cluster in the constellation Auriga The New General Catalogue object NGC 38, a spiral galaxy in the constellation Pisces Thirty-eight is also: The...
    4 KB (489 words) - 08:24, 16 September 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) - 20:17, 9 October 2024
  • Thumbnail for The Scale of the Universe
    1.27 × 1026 meters Observable universe 1.4 × 1026 meters 93.4 billion light years 9.34 × 1026 meters Estimated size of the universe 9.3 × 1026 meters...
    35 KB (407 words) - 16:50, 17 October 2024
  • Thumbnail for NGC 5653
    NGC 5653 is an unbarred spiral galaxy in the constellation Boötes. It was discovered on March 13, 1785, by John Herschel and subsequently placed in the...
    2 KB (78 words) - 06:06, 8 September 2024
  • Vulpecula, also known as the Dumbbell Nebula. The New General Catalogue object NGC 27, a spiral galaxy in the Andromeda constellation. The Saros number of the...
    17 KB (2,379 words) - 16:18, 3 July 2024
  • Thumbnail for 4C+55.16
    a radio jet. 4C+55.16 contains a radio source, compact and powerful (1.1×1026 W Hz−1 sr−1 at 5 GHz) unlike two other radio galaxies, 3C 295 and Cygnus...
    15 KB (1,682 words) - 13:13, 6 September 2024
  • Thumbnail for 9 Sagittarii
    reflection nebulae NGC 6523 and NGC 6533. This ionised region lies in front of a denser molecular cloud. The distances to 9 Sgr, M8, and NGC 6530 are uncertain...
    12 KB (1,145 words) - 13:07, 22 August 2024
  • 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...
    147 KB (16,412 words) - 12:11, 7 September 2024
  • Thumbnail for Chronology of the universe
    least 1078 in volume. This is equivalent to a linear increase of at least 1026 times in every spatial dimension—equivalent to an object 1 nanometre (10−9...
    138 KB (13,964 words) - 05:57, 26 September 2024
  • Thumbnail for Sextans B
    Sextans B (category NGC 3109 subgroup)
    scheme. Sextans B may also be gravitationally associated with the galaxies NGC 3109 and the Antlia Dwarf. Sextans B has a uniform stellar population, but...
    7 KB (684 words) - 19:38, 13 August 2023
  • Thumbnail for Kepler space telescope
    [namely: KOI 326.01 (Rp=0.85), KOI 701.03 (Rp=1.73), KOI 268.01 (Rp=1.75), KOI 1026.01 (Rp=1.77), KOI 854.01 (Rp=1.91), KOI 70.03 (Rp=1.96) – Table 6] are in...
    172 KB (16,218 words) - 08:06, 17 September 2024
  • Thumbnail for X-ray astronomy
    (M7e V), has shown steady emission at levels of X-ray luminosity (LX) ≈ 1026 erg·s−1 (1019 W) and flares up to an order of magnitude higher. Comparison...
    65 KB (8,115 words) - 13:32, 13 April 2024
  • Thumbnail for Downtown (Nevada gaming area)
    2009". Wikimedia Commons. "Nevada Gaming Commission List of Publications". NGC. Archived from the original on May 21, 2009. Retrieved December 11, 2008...
    16 KB (1,582 words) - 20:54, 26 March 2024
  • to have an outlier velocity, ending with a determined radial velocity of −1026±13 km/s. In relation to M87, its velocity was determined to be 2100–2300 km/s...
    4 KB (297 words) - 19:05, 27 January 2024