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Pebbly Rocks Testify to Old Streambed on Mars

PASADENA, Calif. – Detailed analysis and review have borne out researchers’ initial interpretation of pebble-containing slabs that NASA’s Mars rover Curiosity investigated last year: They are part of an ancient streambed.

The rocks are the first ever found on Mars that contain streambed gravels. The sizes and shapes of the gravels embedded in these conglomerate rocks — from the size of sand particles to the size of golf balls — enabled researchers to calculate the depth and speed of the water that once flowed at this location. (more…)

Civil War Troops Fought the Weather 150 Years Ago During Battle

By Guest PostJuly 4, 2011Environment, Politicsatmospheric conditions, battle of carthage, boonville, british admiralty, captain nathaniel lyon, carthage, civil war, civil war battle, confederate victory, coon creek, european observations, franz siegel, french navy, heavy rain, lupo and madden, mike madden, missouri, thunderstorms, tony lupo, torrential rains, union force, union troops, university of missouri, weather, wet gunpowder

*MU meteorologists say weather played a key role in union defeat*

COLUMBIA, Mo. — One hundred fifty years ago, two armies battled each other and the weather in Missouri’s first significant Civil War battle. While the battle’s course is familiar to historians, virtually no scientific data exists about the atmospheric conditions that influenced the fighting. In a project that blends history, sleuthing and modern weather analysis, Tony Lupo, professor and chair of the Department of Atmospheric Sciences at the University of Missouri, and Mike Madden, a meteorology student, have scientifically examined the heavy rains that hampered the union forces, eventually leading to a costly defeat. (more…)

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Pebbly Rocks Testify to Old Streambed on Mars

Civil War Troops Fought the Weather 150 Years Ago During Battle