DOI: 10.1126/science.285.5435.1899. Formation of Cycloidal Features on Europa

Formation of Cycloidal Features on Europa

10.1126/science.285.5435.1899

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Cycloidal patterns are widely distributed on the surface of Jupiter's moon Europa. Tensile cracks may have developed such a pattern in response to diurnal variations in tidal stress in Europa's outer ice shell. When the tensile strength of the ice is reached, a crack may occur. Propagating cracks would move across an ever-changing stress field, following a curving path to a place and time where the tensile stress was insufficient to continue the propagation. A few hours later, when the stress at the end of the crack again exceeded the strength, propagation would continue in a new direction. Thus, one arcuate segment of the cycloidal chain would be produced during each day on Europa. For this model to work, the tensile strength of Europa's ice crust must be less than 40 kilopascals, and there must be a thick fluid layer below the ice to allow sufficient tidal amplitude.

Bibliography

Hoppa, G. V., Tufts, B. R., Greenberg, R., & Geissler, P. E. (1999). Formation of Cycloidal Features on Europa. Science, 285(5435), 1899â1902.

Authors 4

Gregory V. Hoppa (first)
B. Randall Tufts (additional)
Richard Greenberg (additional)
Paul E. Geissler (additional)

References 26 Referenced 189

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___ ibid. 61 175 (1985). (10.2307/413424)
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Nolan M., Greenberg R., Bull. Am. Astron. Soc. 19, 860 (1987). / Bull. Am. Astron. Soc. by Nolan M. (1987)
G. V. Hoppa and B. R. Tufts Lunar Planet. Sci. Conf. XXX [CD ROM] (1999).
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We thank W. McKinnon for his careful review and suggestions for improving this work especially his insight into the propagation process and the members and affiliates of the Galileo SSI team led by M. Belton for their comments and suggestions. Theoretical aspects of this work were supported by grant 347050 from NASA's Planetary Geology and Geophysics program.

Dates

Type	When
Created	23 years, 1 month ago (July 27, 2002, 5:42 a.m.)
Deposited	1 year, 7 months ago (Jan. 13, 2024, 3:50 a.m.)
Indexed	4 days, 2 hours ago (Aug. 30, 2025, 12:50 p.m.)
Issued	25 years, 11 months ago (Sept. 17, 1999)
Published	25 years, 11 months ago (Sept. 17, 1999)
Published Print	25 years, 11 months ago (Sept. 17, 1999)

Funders 0

None

BibTeX

@article{Hoppa_1999, title={Formation of Cycloidal Features on Europa}, volume={285}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.285.5435.1899}, DOI={10.1126/science.285.5435.1899}, number={5435}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Hoppa, Gregory V. and Tufts, B. Randall and Greenberg, Richard and Geissler, Paul E.}, year={1999}, month=sep, pages={1899–1902} }

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