saros


saros
   a unit of time used in astronomy, mostly in predicting solar and lunar eclipses. The saros is equal to 6585.32 days1 (6585 days 7 hours 23 minutes), which is exactly 223 lunar months. (This is either 10.32 or 11.32 days more than 18 years, depending on the number of leap years during the period.) Astronomers in ancient times discovered that the saros is very nearly equal to 19 eclipse years (6585.78 days). This means that one saros after an eclipse the Sun, Moon, and Earth return almost exactly to the same position and another, very similar eclipse occurs. However, because of the 7 hours 23 minutes included, the Earth has turned about one third of a revolution and the new eclipse occurs about 116° of longitude west of the preceding one. After 3 saros, the eclipse returns nearly to its original location. Thus eclipses at a particular location tend to repeat with a period of 3 saros or 54 years and about 1 month. Thus the last total solar eclipse in North Carolina, on 1970 March 7, will repeat on 2024 April 8 and again on 2078 May 11.

Dictionary of units of measurement. 2015.

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  • saros — saros …   Dictionnaire des rimes

  • saros — [ saros; sarɔs ] n. m. • 1746; mot du lat. sc., d o. assyro babylonienne ♦ Didact. Période de 6 585 jours (18 ans et 10 ou 11 jours), déjà connue des Chaldéens, permettant de prédire le retour des éclipses. Pendant un saros, on compte en moyenne… …   Encyclopédie Universelle

  • Saros — Saltar a navegación, búsqueda Saros es un período caldeo de 223 lunas, lo que equivale a 6.585,32 días (algo más de 18 años y 10 u 11 días) tras el cual la Luna y la Tierra regresan aproximadamente a la misma posición en sus órbitas, y se pueden… …   Wikipedia Español

  • Saros — or Sáros may refer to: *Saros cycle, a method for predicting solar eclipses *SS Saros, a shipwreck off the southeast coast of Australia *Saros (band), an American band *Gulf of Saros, an inlet of the Aegean Sea *Sáros county, a former division of …   Wikipedia

  • saros — SÁROS s.n. Perioadă de 18 ani, 11 zile şi 8 ore, după care se repetă, la aceleaşi intervale şi în aceeaşi ordine, eclipsele de Soare si de Lună. – Din fr. saros. Trimis de Anonim, 24.11.2003. Sursa: DEX 98  sáros s. n., pl. sárosuri Trimis de… …   Dicționar Român

  • Şaroş — may refer to: *Şaroş River, several rivers of Romania *Sáros county, former division of the Kingdom of Hungary *Şaroş pe Târnave, a village in Sibiu County, Romania *Şoarş, a commune in Braşov County, Romaniaee also*Saros *Sáros …   Wikipedia

  • Saros — es un período de 6.585,32 días (algo más de 18 años y 10 u 11 días) tras los cuales el Sol y la Luna regresan aproximadamente a la misma posición en el cielo, y se puede repetir los eclipses. Por definición un saros son 223 meses sinódicos(S)… …   Enciclopedia Universal

  • Saros [1] — Saros, 1) (a. Geogr.), Fluß in Kleinasien, entsprang in Kataonien auf dem Taurus, ging dann nach Kilikien u. mündete südöstlich von Tarsos ins Meer; j. Seihan. Am S. 625 n. Chr. Niederlage der Perser unter Sarbar durch die Griechen; 2) (n.… …   Pierer's Universal-Lexikon

  • Sāros — (spr. Scharosch), 1) Comitat des ungarischen Verwaltungsgebietes Kaschau; 69,16 QM.; liegt im nördlichsten Theile Ungarns u. grenzt im Norden an Westgalizien, im Osten an das Zempliner, im Süden an das Abauj Tornaer, im Westen an das Zipser… …   Pierer's Universal-Lexikon

  • Sáros — (spr. schārosch), ungar. Komitat, grenzt an Galizien und die Komitate Zips, Abauj Torna und Zemplin, umfaßt 3822 qkm (69,4 QM.) mit (1901) 174,470 meist slowakischen, magyarischen und deutschen (römisch und griechisch kath.) Einwohnern. Sitz des… …   Meyers Großes Konversations-Lexikon

  • saros — sȃros m DEFINICIJA razdoblje od 18 godina (i 10, 11, ili 12 dana) nakon kojega se istim redom ponavljaju pomrčine Sunca i Mjeseca ETIMOLOGIJA grč. sáros ← akad. šāru …   Hrvatski jezični portal


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