• 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) - 19:34, 28 July 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 (2,715 words) - 09:05, 1 July 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) - 13:24, 1 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 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 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 (19,083 words) - 23:39, 14 August 2024
  • Thumbnail for Alexis Clairaut
    three-body problem, being the first to obtain a satisfactory result for the apsidal precession of the Moon's orbit. In mathematics he is also credited with...
    17 KB (2,004 words) - 10:11, 5 August 2024
  • Thumbnail for Carina Nebula
    Carina Nebula (category Astronomical objects discovered in 1752)
    star HD 93205 by application of the theory of apsidal motion". Monthly Notices of the Royal Astronomical Society. 330 (2): 435–442. arXiv:astro-ph/0110662...
    36 KB (3,723 words) - 19:37, 4 August 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 (2,805 words) - 11:32, 18 July 2024
  • Thumbnail for Beauvais Cathedral
    and consists of a 13th-century choir, with an apse and seven polygonal apsidal chapels reached by an ambulatory, joined to a 16th-century transept. It...
    17 KB (1,722 words) - 23:20, 4 June 2024
  • Thumbnail for S/2002 N 5
    S/2002 N 5 (category Astronomical objects discovered in 2002)
    nodal precession with an average period of about 3,100 Earth years and apsidal precession with an average period of about 2,900 Earth years. S/2002 N...
    15 KB (1,360 words) - 08:35, 21 March 2024
  • ellipse of the orbit gradually rotates (among other possible effects). This apsidal precession is observed for all the planets orbiting the Sun, primarily...
    47 KB (6,692 words) - 21:15, 13 May 2024
  • 10 months for this point to complete a circuit through the zodiac tracking the apsidal precession. L. Ron Hubbard, the founder of Scientology, proposed as part...
    24 KB (3,152 words) - 19:55, 6 August 2024
  • Thumbnail for Axial precession
    from now). Astronomical nutation Axial tilt Euler angles Longitude of vernal equinox Milankovitch cycles Polar motion Sidereal year Apsidal precession...
    60 KB (8,341 words) - 08:32, 16 July 2024
  • Alessandro (2017). "Dynamical Evolution Induced by Planet Nine". The Astronomical Journal. 154 (6): 229. arXiv:1710.01804. Bibcode:2017AJ....154..229B...
    38 KB (4,289 words) - 03:30, 31 July 2024
  • S/2021 N 1 (category Astronomical objects discovered in 2021)
    with an average period of about 900 Earth years, but it does not exhibit apsidal precession. Instead, the argument of pericenter of S/2021 N 1's orbit periodically...
    18 KB (1,771 words) - 07:50, 1 August 2024
  • Thumbnail for Orbit of the Moon
    fixed in space but rotates over time. This orbital precession is called apsidal precession and is the rotation of the Moon's orbit within the orbital plane...
    37 KB (4,652 words) - 18:08, 16 April 2024
  • Thumbnail for Mercury (planet)
    Mercury (planet) (category Astronomical objects known since antiquity)
    Hermes, because it moves across the sky faster than any other planet. The astronomical symbol for Mercury is a stylized version of Hermes' caduceus; a Christian...
    155 KB (15,905 words) - 00:05, 13 August 2024
  • "The binary system 57 Cygni - apsidal motion and effects of spectral line blending", Monthly Notices of the Royal Astronomical Society, 164 (2): 101–110,...
    8 KB (462 words) - 12:10, 17 July 2024
  • S/2018 J 4 (category Astronomical objects discovered in 2018)
    its argument of pericenter oscillates about a constant value without apsidally precessing. For example, the Lidov–Kozai resonance causes Carpo's eccentricity...
    6 KB (427 words) - 14:50, 24 February 2024
  • Thumbnail for Apsis
    corresponding movement of the position of the stars as seen from Earth, called the apsidal precession. (This is closely related to the precession of the axes.) The...
    42 KB (3,898 words) - 20:56, 13 August 2024
  • time scale axial precession of Earth (with a 26,000 years cycle), while apsidal precession and other mechanics have a much smaller impact on sidereal observation...
    10 KB (1,158 words) - 02:26, 27 July 2024
  • Thumbnail for Alpha Coronae Borealis
    (2016-02-01). "The α CrB binary system: A new radial velocity curve, apsidal motion, and the alignment of rotation and orbit axes". Astronomy & Astrophysics...
    15 KB (1,272 words) - 21:27, 27 July 2024
  • Thumbnail for HR 7484
    Margrave, T. E. (2005). "Relativistic apsidal motion in the eclipsing binary systems V1143 Cygni and EK Cephei". Astronomical Journal. 90 (2): 358–363. arXiv:astro-ph/0411788...
    9 KB (600 words) - 06:10, 19 May 2024
  • Newton applied his theorem to understanding the overall rotation of orbits (apsidal precession, Figure 3) that is observed for the Moon and planets. The term...
    57 KB (7,562 words) - 18:53, 30 December 2023
  • of the orbital plane of a satellite around the rotational axis of an astronomical body such as Earth. This precession is due to the non-spherical nature...
    6 KB (905 words) - 04:52, 26 July 2024
  • Thumbnail for Rosetta orbit
    orbit is a solution for spherically symmetric (except 1/r) potentials. Apsidal precession Klemperer rosette Roulette (curve) Spirograph Rubilar, G. F...
    3 KB (321 words) - 13:49, 6 July 2023