Recorded January 8, 2004, at NASA Ames Research Center, Moffett Field, Calif.
| For use on: | Description | Size |
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| on-line | mono -56kps MP3 | 329 k |
| on-line | stereo WMA | 581 k |
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8.“How would you compare lake beds on Earth to the Gusev Crater on Mars?" (34 SECONDS)
Jeff Moore: "Well, old lake deposits on the Earth often are very fine-grained. They’re basically, umm, solidified mud. And they may frequently show a very fine layering, which reflects the annual variation in the amount of water and the amount of sediment being dumped into the lake. And as this changes from winter to spring to summer to fall, each year produces a new little layer much like a tree ring. And so, what one would like to see are fine-grained, soft sedimentary deposits that show this sort of fine layering. That would be the very first type of material, I think, or that’s the highest priority material that scientists at JPL will be looking for.”Multimedia Archive | MER Missions with Jeff Moore