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  • Working mass, also referred to as reaction mass, is a mass against which a system operates in order to produce acceleration. In the case of a chemical...
    3 KB (413 words) - 14:03, 18 January 2024
  • In functional analysis and related areas of mathematics a FK-space or Fréchet coordinate space is a sequence space equipped with a topological structure...
    3 KB (412 words) - 02:19, 30 June 2022
  • Thumbnail for Dipper (Chinese constellation)
    The Dipper mansion (斗宿, pinyin: Dǒu Xiù) is one of the Twenty-eight mansions of the Chinese constellations. It is one of the northern mansions of the Black...
    2 KB (71 words) - 17:25, 23 May 2023
  • Thumbnail for Stomach (Chinese constellation)
    The Stomach mansion (胃宿, pinyin: Wèi Xiù) is one of the twenty-eight mansions of the Chinese constellations. It is one of the western mansions of the White...
    1 KB (30 words) - 09:36, 18 April 2022
  • Thumbnail for Lacus Solitudinis
    Lacus Solitudinis (Latin sōlitūdinis, "Lake of Solitude") is a small lunar mare on the far side of the Moon. The selenographic coordinates of the lake...
    1 KB (131 words) - 02:41, 1 February 2023
  • Thumbnail for Sinus Successus
    The lunar feature Sinus Successus /ˈsaɪnəs səkˈsɛsəs/ (Latin sinus successūs "Bay of Success") lies along the eastern edge of Mare Fecunditatis. It is...
    1 KB (107 words) - 11:45, 25 March 2020
  • Thumbnail for Kodak EasyShare C340
    The Kodak C340 is a model of digital camera produced by the Eastman Kodak Company. It is part of the company's EasyShare consumer line of cameras, and...
    729 bytes (49 words) - 19:32, 20 December 2018
  • Geodetic astronomy or astronomical geodesy (astro-geodesy) is the application of astronomical methods into geodetic networks and other technical projects...
    4 KB (425 words) - 23:24, 14 January 2024
  • Stereoscopic spectroscopy is a type of imaging spectroscopy that can extract a few spectral parameters over a complete image plane simultaneously. A stereoscopic...
    1 KB (189 words) - 17:29, 6 February 2022
  • Thumbnail for West Chang'an Avenue
    West Chang'an Avenue (simplified Chinese: 西长安街; traditional Chinese: 西長安街; pinyin: Xī Cháng'ān Jiē) is a major avenue in urban Beijing. It forms part of...
    1,002 bytes (104 words) - 13:32, 28 November 2022
  • In celestial mechanics, the orbital plane of reference (or orbital reference plane) is the plane used to define orbital elements (positions). The two main...
    2 KB (189 words) - 19:39, 24 November 2023
  • David Dunlap Observatory Catalogue, known as the DDO or A Catalogue of Dwarf Galaxies, is a catalogue of dwarf galaxies that was compiled by Sidney van...
    8 KB (639 words) - 03:19, 28 December 2022
  • Thumbnail for Vallis Schrödinger
    Vallis Schrödinger (Latin for "Schrödinger Valley") is a long, nearly linear valley that lies on the far side of the Moon. It is oriented radially to the...
    1 KB (157 words) - 05:56, 28 August 2021
  • The pseudorange (from pseudo- and range) is the pseudo distance between a satellite and a navigation satellite receiver (see GNSS positioning calculation)...
    6 KB (672 words) - 05:31, 7 November 2022
  • Thumbnail for Vallis Snellius
    Vallis Snellius is a linear valley on the near side of the Moon. It is located in the rugged southeastern part of the visible surface, to the south of...
    1 KB (161 words) - 14:26, 30 December 2020
  • In observational astronomy an On-The-Fly Calibration (OTFC) system calibrates data when a user's request for the data is processed so that users can obtain...
    2 KB (281 words) - 03:30, 16 September 2018
  • Thumbnail for Axel Möller
    Didrik Magnus Axel Möller (16 February 1830 – 25 October 1896) was a Swedish astronomer. He matriculated as a student at Lund University in 1846, received...
    1 KB (101 words) - 14:00, 22 October 2022
  • Georg Karl Friedrich Kunowsky (3 March 1786 –23 December 1846) was a German lawyer who was also a talented amateur astronomer. He made observations of...
    1 KB (152 words) - 06:04, 2 June 2023
  • Thumbnail for Boswell Observatory
    Boswell Observatory is located at Doane College in Crete, Nebraska. Built in 1883, it was primarily a time service observatory and student teaching observatory...
    2 KB (120 words) - 21:23, 5 August 2023
  • In the celestial equatorial coordinate system Σ(α, δ) in astronomy, polar distance (PD) is an angular distance of a celestial object on its meridian measured...
    2 KB (210 words) - 15:17, 18 November 2022
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