From spaceweather.com, a NASA-related site that presents material in plain English...
October 9, 2009:
LUNAR IMPACT! NASA’s LCROSS spacecraft and its Centaur booster rocket have hit the lunar surface. The impact flash from the Centaur booster rocket was not bright, but mission scientists say that could be good news, indicative of an impact in loose, water-rich regolith. Stay tuned for updates and images.
http://www.spaceweather.com/archive.php?view=1&day=09&month=10&year=2009
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“regolith” - now there’s a word you don’t exactly use every day.