Event:
The NASA Mars rover Curiosity has returned images from the red planet's Gale Crater showing evidence of sediment deposits, suggesting that lakes and rivers potentially existed across the planet millions of years ago
More Notable Events on December 9:
1992 Operation Restore Hope - U.S. Marines land in Somalia
1990 Lech Walesa wins presidental election in Poland
1987 Larry Bird, ends streak of 59 consecutive free throws
1987 Palestine uprising begin in Israeli-occupied West Bank
1985 Phoenix Arizona, gets 3 inches of snow
