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Science 26 February 1993:
Vol. 259. no. 5099, pp. 1294 - 1297
DOI: 10.1126/science.259.5099.1294
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Articles

The Chaotic Obliquity of Mars

Jihad Touma 1 and Jack Wisdom 2

1 Department of Mathematics, Massachusetts Institute of Technology, Cambridge, MA 02139
2 Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139

Numerical integration of the rotation of Mars shows that the obliquity of Mars undergoes large chaotic variations. These variations occur as the system evolves in the chaotic zone associated with a secular spin-orbit resonance.

Submitted on December 16, 1992
Accepted on January 15, 1993


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Martian hydrogeology sustained by thermally insulating gas and salt hydrates.
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Observational Evidence for an Active Surface Reservoir of Solid Carbon Dioxide on Mars.
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Atmosphere-Surface Interactions on Mars: {Delta}17O Measurements of Carbonate from ALH 84001?.
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Interior Structure and Seasonal Mass Redistribution of Mars from Radio Tracking of Mars Pathfinder.
W. M. Folkner, C. F. Yoder, D. N. Yuan, E. M. Standish, and R. A. Preston (1997)
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Science 265, 744-749
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Formation of Recent Martian Debris Flows by Melting of Near-Surface Ground Ice at High Obliquity.
F. Costard, F. Forget, N. Mangold, and J. P. Peulvast (2002)
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