Dawn's first orbit, including RC3, March 6, 2015- June 15, 2015 |
Dawn's first orbit, including RC3, March 6, 2015- June 15, 2015 |
Mar 6 2015, 03:23 PM
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#1
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Member Group: Members Posts: 204 Joined: 14-April 06 From: Seattle, WA Member No.: 745 |
Dawn is now officially in orbit around (1) Ceres!
Congratulations, NASA. Nice images of crescent Ceres. NASA Spacecraft Becomes First to Orbit a Dwarf Planet |
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May 5 2015, 05:43 PM
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#2
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Member Group: Members Posts: 555 Joined: 27-September 10 Member No.: 5458 |
Some interesting features in RC3-5 (PIA19536).
In red: possibly a fault line that has caused a ridge? Edit: appears to be a long fault line running up and right away from the ridge. Looks like the ridge cut off a small section of this longer fault as well. In blue: -------------------- |
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May 5 2015, 10:10 PM
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#3
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Junior Member Group: Members Posts: 48 Joined: 20-December 14 Member No.: 7370 |
Some interesting features in RC3-5 (PIA19536). In blue: I think you are on to something. My armchair guess is the large crater was first and a second oblique impact (blue oval) came in and blew out the crater wall and sent the ejecta curtain over the far side of the crater. Many oblique impacts can make lateral butterfly ejecta patterns, but hitting/digging out the crater wall is a unique scenario and might allow for a larger downstream ejecta curtain. |
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