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Carnegie Institution

News Release

For Immediate Release

Contact Nabil Boctor at boctor@gl.ciw.edu or 202-478-8949

Water on Mars—the latest evaluation from orbiters and meteorites

What is the potential for early life on Mars? Was water recently near the Martian surface? The latest scientific evidence about these and other questions will be presented at a one-day symposium on September 20, 2002, at the Carnegie Institution’s Geophysical Laboratory and Department of Terrestrial Magnetism in Washington D.C. The symposium brings together scientists who study Martian meteorites and those who use orbiter data to study the global distribution of Martian water. Water on Mars will include new findings from the Mars Odyssey mission, a roundup of results from the Mars Global Surveyor program, and the latest data from Martian meteorites. The symposium is partially supported by NASA’s Astrobiology Institute.

The schedule of speakers, their talks, and contact information for registration follow. Lunch will be provided.

Water on Mars Symposium

September 20, 2002, 9:00 a.m.

Carnegie’s Geophysical Laboratory and Department of Terrestrial Magnetism

5251 Broad Branch Road

Seminar Room

Washington, D.C. 20015

Co-convenors are Conel Alexander of Carnegie’s Department of Terrestrial Magnetism and Nabil Boctor of Carnegie’s Geophysical Laboratory

To attend, contact Dr. Nabil Boctor

boctor@gl.ciw.edu or 202-478-8949

9:00am Introductory remarks.

9:15am Michael J. Mumma (NASA, Goddard) and Robert Novak (Iona College)

“Water on Mars: The D/H ratio and its relation to atmospheric evolution and polar sequestration”

10:00am Michael D. Smith (NASA, Goddard)

“The annual cycle of water vapor on Mars as observed by the Mars Global Surveyor Thermal Emission Spectrometer”

10:45am W.C. Feldman (Los Alamos National Laboratory)

“The global distribution of water on Mars: Results from the Martian Odyssey”

11:30am Bruce M. Jakosky, Ruth E. Ley, and Michael T. Mellon (U. Colorado)

“Biological potential of Mars: Possible recent near surface liquid water at high obliquity”

12:15pm Lunch

1:15pm John Chambers (NASA Ames)

“The delivery of volatile materials to the terrestrial planets”

2:00pm Allan Treiman (LPI)

“Aqueous alterations in Martian meteorites”

2:45pm E. Vicenzi (Smithsonian)

“Evidence for near surface water-rock interactions on Mars from microchemical studies of aqueous precipitates in meteorites”

3:30pm James Farquhar (University of Maryland)

“Atmosphere-surface coupling on Mars: Evidence from oxygen and sulfur isotope analysis of SNC meteorites”

4:15pm N. Boctor, C.M.O’D. Alexander, J. Wang, and E. Hauri (Carnegie)

“H isotope signatures of minerals, glasses, and melt inclusions: Implications for the source(s) of water in SNC meteorites”

Links to the Odyssey and Surveyor missions follow:

http://mars.jpl.nasa.gov/odyssey/

http://mars.jpl.nasa.gov/mgs/

The Carnegie Institution (www.CarnegieInstitution.org) has been a pioneering force in basic scientific research since 1902. It is a private, nonprofit organization with six research departments in the U.S.: Plant Biology, Global Ecology, Observatories, Embryology, the Department of Terrestrial Magnetism, and the Geophysical Laboratory. Carnegie is a member of, and receives research funding for this study and other efforts, through the NASA Astrobiology Institute (NAI), a research consortium involving academic and non-profit institutions and NASA centers. Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe. NAI’s central administrative office is located at NASA’s Ames Research Center in Mountain View, CA and their web site is http://nai.arc.nasa.gov.