Cassini Imaging Science: Initial Results on Saturn's Atmosphere-Reference-Cited by-同舟云学术

Cassini Imaging Science: Initial Results on Saturn's Atmosphere

Published:2005-02-25 Issue:5713 Volume:307 Page:1243-1247
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Porco C. C.¹²³⁴⁵,Baker E.¹²³⁴⁵,Barbara J.¹²³⁴⁵,Beurle K.¹²³⁴⁵,Brahic A.¹²³⁴⁵,Burns J. A.¹²³⁴⁵,Charnoz S.¹²³⁴⁵,Cooper N.¹²³⁴⁵,Dawson D. D.¹²³⁴⁵,Del Genio A. D.¹²³⁴⁵,Denk T.¹²³⁴⁵,Dones L.¹²³⁴⁵,Dyudina U.¹²³⁴⁵,Evans M. W.¹²³⁴⁵,Giese B.¹²³⁴⁵,Grazier K.¹²³⁴⁵,Helfenstein P.¹²³⁴⁵,Ingersoll A. P.¹²³⁴⁵,Jacobson R. A.¹²³⁴⁵,Johnson T. V.¹²³⁴⁵,McEwen A.¹²³⁴⁵,Murray C. D.¹²³⁴⁵,Neukum G.¹²³⁴⁵,Owen W. M.¹²³⁴⁵,Perry J.¹²³⁴⁵,Roatsch T.¹²³⁴⁵,Spitale J.¹²³⁴⁵,Squyres S.¹²³⁴⁵,Thomas P.¹²³⁴⁵,Tiscareno M.¹²³⁴⁵,Turtle E.¹²³⁴⁵,Vasavada A. R.¹²³⁴⁵,Veverka J.¹²³⁴⁵,Wagner R.¹²³⁴⁵,West R.¹²³⁴⁵

Affiliation:

1. Cassini Imaging Central Laboratory for Operations, Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301, USA.

2. Goddard Institute for Space Studies, NASA, 2880 Broadway, New York, NY 10025, USA.

3. Astronomy Unit, Queen Mary, University of London, London E1 4NS, UK.

4. Centre d'Etudes de Saclay, UniversiteÌ Paris 7, L'Orme des Merisiers, 91191 Gif-sur-Yvette Cedex, France.

5. Department of Astronomy, Cornell University, Space Sciences Building, Ithaca, NY 14853, USA.

Abstract

The Cassini Imaging Science Subsystem (ISS) began observing Saturn in early February 2004. From analysis of cloud motions through early October 2004, we report vertical wind shear in Saturn's equatorial jet and a maximum wind speed of â¼375 meters per second, a value that differs from both Hubble Space Telescope and Voyager values. We also report a particularly active narrow southern mid-latitude region in which dark ovals are observed both to merge with each other and to arise from the eruptions of large, bright storms. Bright storm eruptions are correlated with Saturn's electrostatic discharges, which are thought to originate from lightning.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference26 articles.

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