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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#31
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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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Apr 21 2015, 04:55 PM
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#32
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Senior Member Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 |
But the upper double spot only brightens as you go from frame to frame. If the dark gap between the two sub-subspots was due to inclination, the dark gap should have been more prominent in the earlier frames when the illumination angle was lower.
Of course the real problem is that we're arguing over only a few pixels here. One way to improve things while we wait is to note that the spot 5 crater remains at roughly the same distance from the limb in all the frames, ie we're roughly "looking straight down at the north pole". So the viewing geometry for the crater is roughly constant. So someone could usefully do a poor-man's superresolution by enlarging (say 4x), rotating, and then stacking the images... |
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