feeds/tech+feeds/techvideo: Mars hit by space rocks 200 times a year

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Mars hit by space rocks 200 times a year May 25th 2013, 00:20 By SPACE.com staffSmall space rocks are carving fresh craters into the Martian surface more often than previously thought, researchers say. A new study finds that there are more than 200 asteroid impacts on the Red Planet every year.These asteroids and comet fragments are usually no bigger than 3 to 6 feet (1 to 2 meters) across — about 10 times smaller than the meteor that exploded over Chely... Media files: 6C7575958-suzanne-choney7EB5B8A1-6547-14AE-8239-D029E8F28D37.standard.jpg

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