• Thumbnail for Astronomical object
    An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists...
    29 KB (1,595 words) - 04:18, 3 May 2025
  • Thumbnail for Lists of astronomical objects
    type of astronomical object. List of Solar System objects List of gravitationally rounded objects of the Solar System List of Solar System objects most distant...
    9 KB (698 words) - 06:32, 12 June 2025
  • Thumbnail for List of the most distant astronomical objects
    This article documents the most distant astronomical objects discovered and verified so far, and the time periods in which they were so classified. For...
    150 KB (9,175 words) - 21:18, 7 June 2025
  • Thumbnail for Mirage of astronomical objects
    astronomical object is a meteorological optical phenomenon, in which light rays are bent to produce distorted or multiple images of an astronomical object...
    22 KB (2,732 words) - 21:48, 17 July 2024
  • Thumbnail for Hypothetical astronomical object
    Various unknown astronomical objects have been hypothesized throughout recorded history. For example, in the 5th century BCE, the philosopher Philolaus...
    6 KB (312 words) - 00:20, 5 February 2025
  • Thumbnail for Messier object
    The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas...
    70 KB (2,278 words) - 17:12, 12 June 2025
  • Thumbnail for Deep-sky object
    A deep-sky object (DSO) is any astronomical object that is not an individual star or Solar System object (such as Sun, Moon, planet, comet, etc.). The...
    9 KB (1,054 words) - 21:48, 9 June 2025
  • This is a list of astronomical objects named after people. While topological features on Solar System bodies — such as craters, mountains, and valleys...
    15 KB (1,812 words) - 14:31, 24 November 2024
  • names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are discovered...
    50 KB (6,477 words) - 12:31, 23 March 2025
  • Thumbnail for Sedna (dwarf planet)
    Sun. The International Astronomical Union (IAU) initially classified Sedna as a member of the scattered disc, a group of objects sent into high-eccentricity...
    100 KB (9,720 words) - 15:49, 18 May 2025
  • Thumbnail for Hoag's Object
    Retrieved 3 December 2019. Arthur A. Hoag (1950). "A peculiar object in Serpens". The Astronomical Journal. 55: 170. Bibcode:1950AJ.....55Q.170H. doi:10.1086/106427...
    10 KB (1,152 words) - 04:26, 6 May 2025
  • Thumbnail for Extrasolar object
    dictionary. An extrasolar object (from Latin extra 'outside or beyond' and solaris 'of the Sun') is an astronomical object that exists outside the Solar...
    1 KB (190 words) - 04:12, 13 June 2025
  • Thumbnail for Kuiper belt
    one of many long-period planetary objects yet to be discovered." In 1943, in the Journal of the British Astronomical Association, Kenneth Edgeworth hypothesized...
    119 KB (13,267 words) - 16:01, 9 June 2025
  • Thumbnail for New General Catalogue
    (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies...
    13 KB (1,534 words) - 16:57, 28 January 2025
  • Thumbnail for Astronomy
    Astronomy (redirect from Astronomical)
    Observational astronomy is focused on acquiring data from observations of astronomical objects. This data is then analyzed using basic principles of physics. Theoretical...
    103 KB (10,550 words) - 08:58, 9 June 2025
  • Thumbnail for Apparent magnitude
    magnitude (m) is a measure of the brightness of a star, astronomical object or other celestial objects like artificial satellites. Its value depends on its...
    67 KB (4,813 words) - 13:51, 6 June 2025
  • Astronomical nutation is a phenomenon which causes the orientation of the axis of rotation of a spinning astronomical object to vary over time. It is caused...
    9 KB (1,273 words) - 00:14, 9 June 2025
  • Thumbnail for Interstellar object
    An interstellar object is an astronomical object in interstellar space that is not gravitationally bound to a star. Applicable objects include asteroids...
    54 KB (5,467 words) - 04:14, 13 June 2025
  • Thumbnail for Outline of astronomy
    Tides Zodiac Astronomical object Solar System Geology of solar terrestrial planets List of Solar System objects List of Solar System objects by size Galilean...
    43 KB (3,398 words) - 20:25, 8 February 2025
  • Thumbnail for Messier 93
    Messier 93 (redirect from Messier Object 93)
    Messier objects Wu, Zhen-Yu; et al. (November 2009), "The orbits of open clusters in the Galaxy", Monthly Notices of the Royal Astronomical Society,...
    8 KB (710 words) - 11:06, 18 July 2024
  • Thumbnail for Astrophotography
    Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky...
    44 KB (5,270 words) - 19:04, 9 June 2025
  • There are a number of planetary objects proposed in religion, astrology, ufology and pseudoscience whose existence is not supported by scientific evidence...
    25 KB (3,176 words) - 17:45, 24 April 2025
  • Thumbnail for Messier 5
    Messier 5 (redirect from Messier Object 5)
    Astronomical Society of Canada. 71: 281. Bibcode:1977JRASC..71..281C. Retrieved 1 March 2021. "William Herschel's Observations of the Messier Objects"...
    10 KB (895 words) - 22:47, 7 May 2025
  • Thumbnail for Astronomical interferometer
    together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry. The...
    26 KB (2,657 words) - 02:25, 13 June 2024
  • Thumbnail for Messier 3
    Messier 3 (redirect from Messier Object 3)
    1764, and was the first Messier object to be discovered by Charles Messier himself. Messier originally mistook the object for a nebula without stars. This...
    11 KB (1,058 words) - 17:17, 12 June 2025
  • Thumbnail for Conjunction (astronomy)
    In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky. This means they have either...
    30 KB (3,701 words) - 13:20, 28 February 2025
  • Thumbnail for Scattered disc
    David C. (2001). "From Kuiper Belt Object to Cometary Nucleus: The Missing Ultrared Matter" (PDF). The Astronomical Journal. 123 (2): 1039–1049. Bibcode:2002AJ...
    39 KB (4,419 words) - 18:29, 14 May 2025
  • Thumbnail for Cosmic distance ladder
    the distances to celestial objects. A direct distance measurement of an astronomical object is possible only for those objects that are "close enough" (within...
    56 KB (8,167 words) - 23:10, 5 June 2025
  • Thumbnail for Owl Nebula
    Owl Nebula (redirect from Messier Object 97)
    distance indicator for planetary nebulae", Monthly Notices of the Royal Astronomical Society, 455 (2): 1459–1488, arXiv:1504.01534, Bibcode:2016MNRAS.455...
    15 KB (1,554 words) - 00:47, 25 May 2025
  • Thumbnail for Astronomical seeing
    In astronomy, seeing is the degradation of the image of an astronomical object due to turbulence in the atmosphere of Earth that may become visible as...
    31 KB (3,902 words) - 06:22, 10 November 2024