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Arizona Scientists Say Ocean Tides Create Europa's Unique "Cycloid" Cracks

Date:
September 23, 1999
Source:
University Of Arizona
Summary:
Planetary scientists at the University of Arizona in Tucson provide a model for how chains of scalloped lines on the cracked icy surface of Jupiter's moon Europa are created. It is perhaps the most convincing evidence yet for a global ocean.

TUCSON, Ariz. -- When Voyager flew by Jupiter's moon Europa in 1979, it photographed geological surface features unlike any others ever seen in the solar system. Near Europa's south pole, chains of scalloped lines joined arc-to-arc at the cusp ran for hundreds of miles across the frozen, fractured surface.


Story Source:

The above story is based on materials provided by University Of Arizona. Note: Materials may be edited for content and length.


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University Of Arizona. "Arizona Scientists Say Ocean Tides Create Europa's Unique "Cycloid" Cracks." ScienceDaily. ScienceDaily, 23 September 1999. <www.sciencedaily.com/releases/1999/09/990923072427.htm>.
University Of Arizona. (1999, September 23). Arizona Scientists Say Ocean Tides Create Europa's Unique "Cycloid" Cracks. ScienceDaily. Retrieved April 17, 2014 from www.sciencedaily.com/releases/1999/09/990923072427.htm
University Of Arizona. "Arizona Scientists Say Ocean Tides Create Europa's Unique "Cycloid" Cracks." ScienceDaily. www.sciencedaily.com/releases/1999/09/990923072427.htm (accessed April 17, 2014).

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