• The International Earth Rotation and Reference Systems Service (IERS), formerly the International Earth Rotation Service, is the body responsible for maintaining...
    6 KB (553 words) - 18:36, 13 September 2023
  • The Institute for Energy Research (IER) is a Washington, D.C.-based non-profit organization that "conducts intensive research and analysis on the functions...
    12 KB (979 words) - 20:52, 11 December 2023
  • Thumbnail for IERS Reference Meridian
    0° The IERS Reference Meridian (IRM), also called the International Reference Meridian, is the prime meridian (0° longitude) maintained by the International...
    13 KB (767 words) - 19:40, 26 March 2024
  • Thumbnail for Coordinated Universal Time
    about one second of mean solar time (such as UT1) at 0° longitude, (at the IERS Reference Meridian). The mean solar day is slightly longer than 86,400 SI...
    52 KB (5,997 words) - 19:08, 12 May 2024
  • Thumbnail for Prime meridian
    throughout history. Earth's current international standard prime meridian is the IERS Reference Meridian. It is derived, but differs slightly, from the Greenwich...
    60 KB (4,774 words) - 21:17, 12 May 2024
  • Thumbnail for Louis I, Duke of Bourbon
    Chicago Press. Topping, Peter (1975). "The Morea, 1311–1364". In Setton, Kenneth M.; Hazard, Harry W. (eds.). A History of the Crusades, Volume III: The...
    11 KB (1,048 words) - 00:22, 14 April 2024
  • Thumbnail for Sabaeans
    L'unification du Yémen antique. La lutte entre Saba’, Himyar et le Hadramawt de Ier au IIIème siècle de l'ère chrétienne. Paris, 1990 (Bibliothèque de Raydan...
    17 KB (1,679 words) - 13:22, 20 April 2024
  • Orientation". IERS Rapid Service / Prediction Center, U.S. Naval Observatory. "Common Units and Conversions in Earth Orientation". IERS Rapid Service...
    21 KB (2,366 words) - 21:55, 21 April 2024
  • Thumbnail for Leap second
    advance by the International Earth Rotation and Reference Systems Service (IERS), to ensure that the difference between the UTC and UT1 readings will never...
    71 KB (7,572 words) - 12:01, 25 April 2024
  • Thumbnail for Earth's rotation
    2011 at the Wayback Machine new site, being populated USNO IERS old site, to be abandoned IERS Earth Orientation Center: Earth rotation data and interactive...
    43 KB (4,891 words) - 19:00, 5 May 2024
  • Thumbnail for Prime meridian (Greenwich)
    used worldwide for timekeeping and navigation. The modern standard, the IERS Reference Meridian, is based on the Greenwich meridian, but differs slightly...
    14 KB (1,510 words) - 12:01, 13 March 2024
  • Thumbnail for Parakramabahu I
    322, (7740-7752). 1992. Economist Newspaper Limited. Hall (2010), p. 224 Kenneth Hall, "Economic History of Early South Asia", in Nicholas Tarling (ed)...
    58 KB (7,464 words) - 06:28, 16 April 2024
  • Thumbnail for Light-year
    structure of the universe". Retrieved 1 November 2014. "Chapter 1, Table 1-1", IERS Conventions (2003) WHERE ARE THE VOYAGERS?, retrieved 14 October 2014 NASA...
    24 KB (1,885 words) - 09:20, 29 April 2024
  • Thumbnail for Greenwich Mean Time
    was originally defined as being the Greenwich meridian but is now the "IERS Reference Meridian": they are not quite the same. There is no such thing...
    21 KB (2,398 words) - 13:24, 3 May 2024
  • Gérard Petit and Brian Luzum, ed. (2010). "Table 1.1: IERS numerical standards" (PDF). IERS technical note no. 36: General definitions and numerical...
    10 KB (1,152 words) - 12:54, 23 January 2024
  • Thumbnail for Belgian Armed Forces
    130 "Les Soldats de Leopold Ier et Leopold II",D 1986/0197/03 Bruxelles Guy Derie, page 124 "Les Soldats de Leopold Ier et Leopold II", D 1986/0197/03...
    46 KB (4,765 words) - 14:36, 9 May 2024
  • Thumbnail for Sidereal time
    Intermediate Origin (CIO)". Glossary of the IERS Conventions (2010). "Celestial Ephemeris Origin". Glossary of the IERS Conventions (2010). Urban & Seidelmann...
    19 KB (2,554 words) - 10:13, 5 April 2024
  • Thumbnail for Arctic
    region located at the northernmost part of Earth. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway...
    58 KB (4,749 words) - 19:22, 8 May 2024
  • 16 June 2022. Bizouard, Christian (6 July 2016). "Bulletin C 52". Paris: IERS. Archived from the original on 13 August 2017. Retrieved 31 December 2016...
    15 KB (1,735 words) - 18:42, 5 April 2024
  • Thumbnail for World Geodetic System
    family International Terrestrial Reference System (ITRS) maintained by the IERS are geocentric, and internally consistent, at the few-cm level, while still...
    24 KB (2,831 words) - 01:25, 11 May 2024
  • Thumbnail for Piye
    "La Chefferie de Sébennytos de Piankhy à Psammétique Ier", RdE 55 (2004), pp. 95–111 Kenneth Kitchen, The Third Intermediate Period in Egypt (1100–650...
    14 KB (1,580 words) - 15:08, 8 April 2024
  • Thumbnail for Earth
    Service (IERS) Working Group (2004). "General Definitions and Numerical Standards" (PDF). In McCarthy, Dennis D.; Petit, Gérard (eds.). IERS Conventions...
    219 KB (19,285 words) - 00:07, 11 May 2024
  • Thumbnail for Meridian (geography)
    degrees or other units) east or west of a given prime meridian (currently, the IERS Reference Meridian). In other words, it is a line of longitude. The position...
    18 KB (2,281 words) - 18:20, 27 December 2023
  • Thumbnail for Shoshenq I
    Quarterly 141, 1 (2009), pp. 4–17 M. Georges Daressy, Les Parents de Chéchanq Ier, ASAE 16 (1916), 3 Aidan Dodson, The Canopic Equipment of the Kings of Egypt...
    27 KB (3,340 words) - 23:40, 30 April 2024
  • Thumbnail for Venus
    Brian (eds.). "IERS Conventions (2010)". IERS. p. 19. Archived from the original on 30 September 2019. Retrieved 16 April 2021. IERS (13 March 2021)...
    214 KB (19,463 words) - 14:16, 8 May 2024
  • Thumbnail for United States Naval Observatory
    of quasars for astrometry and geodesy with numerous global collaborators (IERS), in order to produce Earth orientation parameters and to realize the celestial...
    38 KB (3,280 words) - 21:02, 7 May 2024
  • Thumbnail for Year
    2022. International Earth Rotation and Reference System Service. (2010).IERS EOP PC Useful constants. Archived October 29, 2012, at the Wayback Machine...
    51 KB (5,661 words) - 12:34, 10 May 2024
  • June 17, 1955) is CEO and founder of the Institute for Energy Research (IER). An expert in the history and political economy of energy and energy corporations...
    8 KB (770 words) - 05:58, 24 April 2024
  • Thumbnail for Franco-Ottoman alliance
    Garde-Adhémar au siège de Nice, le parcours d'un Ambassadeur de François Ier », Recherches Régionales, Nice, Conseil Général des Alpes-Maritimes, n°188...
    108 KB (11,985 words) - 02:31, 3 May 2024
  • Thumbnail for Moon
    30, 2022. Ray, R. (May 15, 2001). "Ocean Tides and the Earth's Rotation". IERS Special Bureau for Tides. Archived from the original on March 27, 2010. Retrieved...
    256 KB (24,770 words) - 09:05, 9 May 2024