sidereal diurnal variation

См. также в других словарях:

• Sidereal time — is a measure of the position of the Earth in its rotation around its axis, or time measured by the apparent diurnal motion of the vernal equinox, which is very close to, but not identical to, the motion of stars. They differ by the precession of… …   Wikipedia

• звездно-суточная вариация космических лучей — звездно суточная вариация Вариация космических лучей с периодом, равным одним звездным суткам, связанная с внешней по отношению к солнечной системе анизотропией космических лучей. [ГОСТ 25645.104 84] Тематики лучи космические Обобщающие термины… …   Справочник технического переводчика

• Arturo Duperier Vallesa — Saltar a navegación, búsqueda Arturo Duperier Vallesa (Pedro Bernardo, Ávila, 12 de noviembre de 1896 Madrid, España, 10 de febrero de 1959). Físico español, destacado especialmente por su estudio de la radiación cósmica, por el cual llegó a ser… …   Wikipedia Español

• Arthur Thomas Doodson — Dr. Arthur Thomas Doodson (1890 1968) spent much of his life developing the analysis of tidal motions mainly in the oceans but also in lakes, and was the first to devise methods for shallow water as in estuaries. Tide height and current tables… …   Wikipedia

• Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt     Egypt     † …   Catholic encyclopedia

• History of Physics —     History of Physics     † Catholic Encyclopedia ► History of Physics     The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …   Catholic encyclopedia

• Timekeeping on Mars — Various schemes have been used or proposed to keep track of time and date on the planet Mars independently of Earth time and calendars. Mars has an axial tilt and a rotation period similar to those of Earth. Thus it experiences seasons of spring …   Wikipedia

• Day — For other uses, see Day (disambiguation). Water, Rabbit, and Deer: three of the 20 day symbols in the Aztec calendar, from the Aztec calendar stone. A day is a unit of time, commonly defined as an interval equal to 24 hours …   Wikipedia

• Aberration of light — Light from location 1 will appear to be coming from location 2 for a moving telescope due to the finite speed of light, a phenomenon known as the aberration of light. The aberration of light (also referred to as astronomical aberration or stellar …   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

• Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) …   Wikipedia