Clues Reveal More of Mars's Watery Past

CuriousMars: Curiosity to Drill into 'Whole Different World', SpaceRef

"As the Mars Science Laboratory (MSL) science team completes final assessments of the mission's first drilling target in the bedrock at Yellowknife Bay, Curiosity is roving through "a whole different world," uncovering evidence for rocks saturated with water and other diverse and unexpected aqueous clues that hint of an ancient and very wet environment at Gale Crater.

It's a world of conglomerate rocks, sandstones, siltstones, spherules - known as "blueberries" to MER followers - lustrous pebbles, cross-bedding, tiny grains and filled veins, cracks, and fractured rocks - and, it appears, no end of evidence for past water. "We wouldn't have predicted any of this stuff from orbit," said John Grotzinger, MSL project scientist, of Caltech during a telebriefing on January 15th. "This is a great example of the occurrence of serendipity in scientific discovery."

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This page contains a single entry by Marc Boucher published on January 18, 2013 8:06 AM.

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