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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:
Quasi-Periodic Bedding in the Sedimentary Rock Record of Mars.
K. W. Lewis, O. Aharonson, J. P. Grotzinger, R. L. Kirk, A. S. McEwen, and T.-A. Suer (2008)
Science 322, 1532-1535
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Martian hydrogeology sustained by thermally insulating gas and salt hydrates.
J. S. Kargel, R. Furfaro, O. Prieto-Ballesteros, J. A. P. Rodriguez, D. R. Montgomery, A. R. Gillespie, G. M. Marion, and S. E. Wood (2007)
Geology 35, 975-978
   Abstract »    Full Text »    PDF »
Role of aquicludes in formation of Martian gullies.
M. S. Gilmore and E. L. Phillips (2002)
Geology 30, 1107-1110
   Abstract »    Full Text »    PDF »
Observational Evidence for an Active Surface Reservoir of Solid Carbon Dioxide on Mars.
M. C. Malin, M. A. Caplinger, and S. D. Davis (2001)
Science 294, 2146-2148
   Abstract »    Full Text »    PDF »
Detection of Molecular Hydrogen in the Atmosphere of Mars.
V. A. Krasnopolsky and P. D. Feldman (2001)
Science 294, 1914-1917
   Abstract »    Full Text »    PDF »
Atmosphere-Surface Interactions on Mars: Delta 17O Measurements of Carbonate from ALH 84001 .
J. Farquhar, M. H. Thiemens, and T. Jackson (1998)
Science 280, 1580-1582
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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)
Science 278, 1749-1752
   Abstract »    Full Text »
Early Mars: How Warm and How Wet?.
S. W. Squyres, S. W. Squyres, and J. F. Kasting (1994)
Science 265, 744-749
   Abstract »    PDF »
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)
Science 295, 110-113
   Abstract »    Full Text »    PDF »


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