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Ceres High Altitude Mapping Orbit (HAMO), Late summer through fall 2015
Floyd
post Jan 8 2016, 08:02 PM
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I would sure be nice to get an image of Kait...


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Floyd
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Ken2
post Jan 11 2016, 07:50 PM
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Dawn HAMO 89 (I'll let ZLD post the picture!)

Caption: "This view of Ezinu Crater on Ceres was taken by NASA's Dawn spacecraft on Oct. 19, 2015. Ezinu is the large crater in the top left corner of the image and contains a canyon-like feature near its center."

Here is a boring hypothesis of the canyon. Fresh craters are excavated cones, so the center is the deepest and has the most ejecta in-fill. Given the numerous landslides elsewhere on Ceres, it appears that the ejecta is relatively fluffy, so as subsequent large impacts cause Ceres-quakes, it is easy to imagine settling, and the center would be the logical place for cracks to form being the deepest. I plan to try shaking a cone of flour to see how this hypothesis holds up in a simple analog !
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stevesliva
post Jan 11 2016, 08:44 PM
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The interpretation of hot-crossed bun features on Venus is that they're uplifted from below...
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ZLD
post Jan 12 2016, 05:18 AM
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HAMO 89





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