Translation: from english

apsidal motion

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  • apsidal motion — Astron. the rotation of the major axis of an eccentric orbit in the plane of the orbit. [1955 60] * * * …   Universalium

  • apsidal motion — Astron. the rotation of the major axis of an eccentric orbit in the plane of the orbit. [1955 60] …   Useful english dictionary

  • Apsidal precession — This article is about rotation of the orbit of a celestial body. For precession of the rotational axis, see precession of the equator. For change in orbital inclination, see precession of the ecliptic. In celestial mechanics, perihelion… …   Wikipedia

  • Edward Guinan — is currently a professor in Villanova University s Department of Astronomy and Astrophysics. He and two colleagues discovered Neptune s ring system in 1968.cite web | title=Data Shows 2 Rings Circling Neptune | author=John Noble Wilford |… …   Wikipedia

  • DI Herculis — is an Algol type binary star in the constellation Hercules. The system has an ensemble magnitude of about +8.5 and consists of two young blue stars of spectral type B5 and B4 [1]; it is about two thousand light years from Earth. The orbit of the… …   Wikipedia

  • PT Velorum — A/B Constelación Pegaso Ascensión recta α 09h 10min 57,82s Declinación δ 43º 16’ 02,9’’ Distancia …   Wikipedia Español

  • DI Herculis — Datenbanklinks zu DI Herculis Doppelstern DI Herculis (Noch kein Bild vorhanden) …   Deutsch Wikipedia

  • Newton's theorem of revolving orbits — Figure 1: An attractive force F(r) causes the blue planet to move on the cyan circle. The green planet moves three times faster and thus requires a stronger centripetal force, which is supplied by adding an attractive inverse cube force. The …   Wikipedia

  • Milankovitch cycles — Past and future Milankovitch cycles. VSOP allows prediction of past and future orbital parameters with great accuracy. ε is obliquity (axial tilt). e is eccentricity. ϖ is longitude of perihelion. esin(ϖ) is the precession index, which together… …   Wikipedia

  • Precession — For other uses, see Precession (disambiguation). Precession of a gyroscope Precession is a change in the orientation of the rotation axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second… …   Wikipedia

  • South Asian arts — Literary, performing, and visual arts of India, Pakistan, Bangladesh, and Sri Lanka. Myths of the popular gods, Vishnu and Shiva, in the Puranas (ancient tales) and the Mahabharata and Ramayana epics, supply material for representational and… …   Universalium

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