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Mars 2000

Albee, Arden L. (2000) Mars 2000. Annual Review of Earth and Planetary Sciences, 28 . pp. 281-304. ISSN 0084-6597. doi:10.1146/

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Twenty years after the Viking Mission, Mars is again being scrutinized in the light of a flood of information from spacecraft missions to Mars, the Hubble Space Telescope, and the SNC meteorites. This review provides an overview of the current understanding of Mars, especially in light of the data being returned from the Mars Global Surveyor Mission. Mars does not now have a global magnetic field, but the presence of crustal anomalies indicates that a global field existed early in Martian history. The topography, geodetic figure, and gravitational field are known to high precision. The northern hemisphere is lower and has a thinner and stronger crust than the southern hemisphere. The global weather and the thermal structure of the atmosphere have been monitored for more than a year. Surface-atmosphere interaction has been investigated by observations of surface features, polar caps, atmospheric dust, and condensate clouds. The surface has been imaged at very high resolution and spectral measures have been obtained to quantify surface characteristics and geologic processes. Many questions remain unanswered, especially about the earliest period of Mars' history.

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Additional Information:© 2000 by Annual Reviews. Working with all the scientists and engineers associated with the Mars Observer and Mars Global Surveyor projects over the last 20 years has been a rewarding and unbelievable learning experience. More than 400 attendees at the Fifth International Conference on Mars in July 1999 helped to shape this summary, but I particularly want to thank the invited speakers who presented specialized reviews and prepared extended abstracts (CD-ROM Contribution, 972. The Lunar & Planetary Institute. Houston, Texas). In many instances where I used these abstracts, I have actually cited recent or ‘‘In press’’ papers to acknowledge the contribution.
Subject Keywords:Mars, Mars Global Surveyor
Record Number:CaltechAUTHORS:ALBareps00
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Official Citation:MARS 2000. Arden L. Albee. Annual Review of Earth and Planetary Sciences 2000 28:1, 281-304; doi: 10.1146/
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:634
Deposited By: Archive Administrator
Deposited On:08 Sep 2005
Last Modified:08 Nov 2021 19:04

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