Just back from the Caltech Management Association noontime program at Caltech, "Looking at Mars from Both Sides." Pete Theisinger, Richard Cook, Mark Adler, Rob Manning, and Joy Crisp. Took copious notes, which I'll transcribe as my other commitments allow.
Lots of war stories about challenges and obstacles overcome to get the rovers designed, built, launched, landed and running on the surface.
Joy Crisp talked about the science discoveries.
And.. there *was* a free lunch! (complete with a Mars candy bar with a custom-extra label with an image from the Mars Rover mission.)
Highlights from Joy Crisp, whose presentation concluded with the latest: on Friday, Opportunity arrived at the edge of Endurance Crater on Meridiani Planum, and sent back images. Go see them here (panorama and 3D red-blue) and here (detail shot).

Dr. Crisp (showing the latter image in her presentation): the crater is 30 meters deep and 130 meters across. At the top you can see the same kind of outcroppings as Opportunity encountered at Eagle Crater (where it landed). There are additional rocks below, those are older. Those deeper rocks, they hope, will show how long liquid water was around, allowing for a better understanding of the extent of liquid water. (The entire Meridiani Planum is about the size of the state of Oklahoma). She says: Keep watch on the web site, higher rez color images to come!
Note: I adjusted contrast and brightness on both images after resizing.
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