• Thumbnail for Apsidal precession
    apsidal precession (or apsidal advance) is the precession (gradual rotation) of the line connecting the apsides (line of apsides) of an astronomical body's...
    17 KB (1,816 words) - 17:36, 22 August 2024
  • Thumbnail for Precession
    the apsidal precession of Mercury In astronomy, precession refers to any of several gravity-induced, slow and continuous changes in an astronomical body's...
    21 KB (2,718 words) - 12:26, 24 August 2024
  • Thumbnail for Lunar precession
    axial precession is westwards - whereas Apsidal precession is in the same direction as the rotation (meaning apsidal precession is eastward). This kind of...
    7 KB (675 words) - 06:21, 22 June 2024
  • Thumbnail for Milankovitch cycles
    rotates (apsidal precession). The combined effect of precession with eccentricity is that proximity to the Sun occurs during different astronomical seasons...
    49 KB (5,223 words) - 10:23, 29 July 2024
  • Thumbnail for Lunar month
    extreme points (the line of the apsides: perigee and apogee), rotates once (apsidal precession) in about 3,233 days (8.85 years). It takes the Moon longer...
    23 KB (2,962 words) - 12:47, 27 August 2024
  • Thumbnail for Y Cygni
    Costa, V. (December 1980). "Y CYG : photometry and apsidal motion". Publications of the Astronomical Society of the Pacific. 92: 782–784. Bibcode:1980PASP...
    7 KB (493 words) - 10:41, 23 July 2024
  • Thumbnail for Milan Cathedral
    transepts have aisles. The nave columns are 24.5 metres (80 ft) high, and the apsidal windows are 20.7 by 8.5 metres (68 by 28 ft). It is a brick building, faced...
    39 KB (4,655 words) - 14:34, 28 July 2024
  • Thumbnail for Planet Nine
    Planet Nine (category Astronomical events of the Solar System)
    Raúl (2016). "Finding Planet Nine: Apsidal Anti-Alignment Monte Carlo Results". Monthly Notices of the Royal Astronomical Society. 462 (2): 1972–1977. arXiv:1607...
    179 KB (19,082 words) - 08:07, 10 September 2024
  • Thumbnail for Argument of periapsis
    if the geometry were favorable) is equal to the time of its periastron. Apsidal precession Kepler orbit Orbital mechanics Orbital node Iglesias-Marzoa...
    4 KB (565 words) - 05:14, 28 May 2024
  • Thumbnail for Mimas
    Mimas (category Astronomical objects discovered in 1789)
    mean diameter of 396.4 kilometres or 246.3 miles, Mimas is the smallest astronomical body known to be roughly rounded in shape due to its own gravity. Mimas's...
    29 KB (2,812 words) - 03:19, 25 August 2024