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Title Saturn`s Great White Spots
Creator/Author Sanchez-Lavega, A. (Universidad del Pais Vasco, Bilbao (Spain))
Publication Date1989 Aug 01
OSTI IdentifierOSTI ID: 5508615
Other Number(s)ISSN0037-6604; CODEN: SKTEA
Resource TypeJournal Article
Resource RelationSky and Telescope ; Vol/Issue: 78
Subject640107 -- Astrophysics & Cosmology-- Planetary Phenomena; SATURN PLANET-- PLANETARY ATMOSPHERES; ATMOSPHERIC CIRCULATION;COLOR;INSOLATION;MOISTURE;PHOTOMETRY;TELESCOPES;WIND
Related SubjectATMOSPHERES;OPTICAL PROPERTIES;ORGANOLEPTIC PROPERTIES;PHYSICAL PROPERTIES;PLANETS
Description/Abstract The history of observations of the Great White Spots on Saturn is reviewed, incluing the 1876, 1903, 1933, and 1960 outbreaks.^The spots have been used to trace zonal winds on Saturn, showing longitudinal expansion spot velocities of 30 to 45 m/s and north-south expansion velocities of about 3 m/s.^The relationship between spot activity and the Saturnian atmosphere is discussed.^A graph of insolation at the top of Saturn`s atmosphere during Great White Spot activity and photographs of the 1933 and 1960 spots are presented.^Because the trends in spot activity show a recurrence time of about one Saturnian year (29.51 yrs), it is suggested that spot activity may occur in 1989 or 1990.
Country of PublicationUnited States
LanguageEnglish
FormatPages: 141
System Entry Date2001 May 13

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