Title |
New Perspectives on Ancient Mars
|
---|---|
Published in |
Science, February 2005
|
DOI | 10.1126/science.1101812 |
Pubmed ID | |
Authors |
Sean C. Solomon, Oded Aharonson, Jonathan M. Aurnou, W. Bruce Banerdt, Michael H. Carr, Andrew J. Dombard, Herbert V. Frey, Matthew P. Golombek, Steven A. Hauck, James W. Head, Bruce M. Jakosky, Catherine L. Johnson, Patrick J. McGovern, Gregory A. Neumann, Roger J. Phillips, David E. Smith, Maria T. Zuber |
Abstract |
Mars was most active during its first billion years. The core, mantle, and crust formed within approximately 50 million years of solar system formation. A magnetic dynamo in a convecting fluid core magnetized the crust, and the global field shielded a more massive early atmosphere against solar wind stripping. The Tharsis province became a focus for volcanism, deformation, and outgassing of water and carbon dioxide in quantities possibly sufficient to induce episodes of climate warming. Surficial and near-surface water contributed to regionally extensive erosion, sediment transport, and chemical alteration. Deep hydrothermal circulation accelerated crustal cooling, preserved variations in crustal thickness, and modified patterns of crustal magnetization. |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
United States | 5 | 2% |
Canada | 3 | 1% |
Japan | 2 | <1% |
France | 1 | <1% |
Germany | 1 | <1% |
Netherlands | 1 | <1% |
Unknown | 220 | 94% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Researcher | 50 | 21% |
Student > Ph. D. Student | 48 | 21% |
Student > Bachelor | 22 | 9% |
Student > Master | 19 | 8% |
Professor | 18 | 8% |
Other | 47 | 20% |
Unknown | 29 | 12% |
Readers by discipline | Count | As % |
---|---|---|
Earth and Planetary Sciences | 122 | 52% |
Physics and Astronomy | 31 | 13% |
Agricultural and Biological Sciences | 10 | 4% |
Engineering | 5 | 2% |
Unspecified | 5 | 2% |
Other | 15 | 6% |
Unknown | 45 | 19% |