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Mars on Earth III - 07/13/2005
Join NASA's lead scientist for Mars and Lunar Explorations, Dr. Jim Garvin, on a visit to the Sedan Crater in Nevada. Dr. Garvin uses hands-on examples and demonstrations to explain how studying craters can help us unravel the mysteries of Earth and Mars.
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Mars on Earth II - 06/21/2004
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Mars on Earth - 04/23/2004
In many ways, Mars is the most Earth-like of the other planets in our solar system. Learn how scientists can interpret what they see on Mars by following geologist Jim Garvin, Mars lead scientist for NASA, on a virtual tour of Surtsey, a recently formed volcanic island in Iceland.
Image Credit: NASA/JPL
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