Affiliation:
1. Escuela Superior de Ingeniería, Universidad del País Vasco, 48013 Bilbao, Spain.
Abstract
Determining a planet's rotation period can be difficult if the planet lacks a solid surface. However, for planets with an internal magnetic field, emissions at radio wavelengths are modulated by the planet's rotation rate. The latest results from the Cassini spacecraft seem to indicate that Saturn's rotation rate has slowed down by 6 minutes since the Voyager 1 and 2 spacecraft flew by the planet in 1980 and 1981, but it is unclear whether a slowdown has in fact occurred. Future data collected by Cassini may be able to resolve the question.
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
30 articles.
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