Observations of Ejecta Clouds Produced by Impacts onto Saturn’s Rings-Reference-Cited by-同舟云学术

Observations of Ejecta Clouds Produced by Impacts onto Saturn’s Rings

Published:2013-04-26 Issue:6131 Volume:340 Page:460-464
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Tiscareno Matthew S.¹,Mitchell Colin J.²,Murray Carl D.³,Di Nino Daiana²,Hedman Matthew M.¹,Schmidt Jürgen⁴⁵,Burns Joseph A.⁶⁷,Cuzzi Jeffrey N.⁸,Porco Carolyn C.²,Beurle Kevin³,Evans Michael W.¹

Affiliation:

1. Center for Radiophysics and Space Research, Cornell University, Ithaca, NY 14853, USA.

2. CICLOPS, Space Science Institute, Boulder, CO 80301, USA.

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

4. Department of Physics, Astronomy Division, University of Oulu, FI-90014, Finland.

5. Institute for Physics and Astronomy, University of Potsdam, 14476 Potsdam-Golm, Germany.

6. Department of Astronomy, Cornell University, Ithaca, NY 14853, USA.

7. College of Engineering, Cornell University, Ithaca, NY 14853, USA.

8. NASA Ames Research Center, Moffett Field, CA 94035, USA.

Abstract

Saturn's Meteoroid Crash During Saturn's equinox in 2009, when the Sun illuminated its rings edge-on, images taken by the Cassini spacecraft showed dust clouds appearing as bright streaks above the rings. Similar streaks were detected in 2005 and 2012 when Cassini observed the C ring at close range. Tiscareno et al. (p. 460 ) suggest that the cause of each observed feature is likely to be the impact of a stream of recently disrupted material originating from a meteoroid impact onto the ring and derive the influx rate of meteoroids at Saturn.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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