Difference between revisions of "May 11, 2011"
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<p><b>Tomorrow's LPOD:</b> [[May 12, 2011|Cracker of a View]] </p> | <p><b>Tomorrow's LPOD:</b> [[May 12, 2011|Cracker of a View]] </p> | ||
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Revision as of 14:36, 8 February 2015
Ballistic Rake
image by Wes Higgins
Just below Tycho's eastern rim crest (at 2 o'clock and 4 o'clock positions) are smooth ponds of impact melt. Wes' remarkable image also shows that secondaries are concentrated on the east side of the crater, and a high Sun view demonstrates that there are fewer rays to the west. Tycho was formed by an oblique impact, with the projectile coming from the west. The forward momentum carried ejecta debris to the east, raking the surface with small impacts. It wouldn't have been a good place to be 109 my ago.
Chuck Wood
This is a repeat of a glorious LPOD from Aug 29, 2008.
Technical Details
08/23/08, 11:41:27 UT. 18" Reflector, Infinity 2-1m camera, MAP 150X64, stack of 498 frames .
Related Links
Rükl plate 64
Entire frame
Yesterday's LPOD: The Moon On Earth
Tomorrow's LPOD: Cracker of a View
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