solar limb

См. также в других словарях:

• limb darkening — In astrophysics, the gradual decrease in observed brightness of the disk of a star from its centre to its edge (limb). This phenomenon, readily apparent in photographs of the Sun, occurs because the solar atmosphere s temperature increases with… …   Universalium

• limb — 1. noun /lɪm/ a) A major appendage of human or animal, used for locomotion (such as an arm, leg or wing) solar limb b) A branch of a tree. 2 …   Wiktionary

• Limb darkening — refers to the diminishing of intensity in the image of a star as one moves from the center of the image to the edge or limb of the image. Limb darkening occurs as the result of two effects:* The density of the star diminishes as the distance from …   Wikipedia

• Solar prominence — with images of Jupiter and Earth for size comparison. Solar prominence video clip (high resolution) A prominence is a large, bright feature extending outward from the Sun …   Wikipedia

• solar prominences — Protuberance Pro*tu ber*ance, n. [Cf. F. protub[ e]rance. See {Protuberant}.] That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.… …   The Collaborative International Dictionary of English

• Solar protuberances — Protuberance Pro*tu ber*ance, n. [Cf. F. protub[ e]rance. See {Protuberant}.] That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.… …   The Collaborative International Dictionary of English

• Timeline of solar astronomy — 9th century * 850 Ahmad ibn Muhammad ibn Kathīr al Farghānī (Alfraganus) gives values for the obliquity of the ecliptic, the precessional movement of the apogees of the Sun 10th century * 900 929 Muhammad ibn Jābir al Harrānī al Battānī… …   Wikipedia

• Spicule (solar physics) — In solar physics, a spicule is a dynamic jet of about 500km diameter on the Sun. It moves upwards at about 20 km/s from the photosphere. They were discovered in 1877 by Father Angelo Secchi of the Vatican Observatory in Rome. The chromosphere is… …   Wikipedia

• Mauna Loa Solar Observatory — Two domes house the sensors The Mauna Loa Solar Observatory (MLSO) is a collection of instruments for observing the sun located on the slopes of the Mauna Loa volcano on the island of Hawaii, USA at an elevation of 11,135 feet (3,394 m).… …   Wikipedia

• Kodaikanal Solar Observatory — Kodaikanal Solar ObservatoryOrganizationIndian Institute of AstrophysicsLocationKodaikanal, IndiaCoordinatescoord|10|13|50|N|77|28|7|E|Altitude 2,343 meters (7,687 ft) Webpage [http://www.iiap.res.in/centres kodai.htm Kodaikanal Observatory]… …   Wikipedia

• Discovery and exploration of the Solar System — The Sun and planets of the Solar System. (Pluto is now classed as a dwarf planet, and is not shown). The relative sizes of objects are drawn to scale; the distances between them are not. For many thousands of years,[clarification needed] …   Wikipedia