Curiosity's relaxed drilling hints at ancient acidic water on Mars

February 6, 2015 6:13 PM

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Curiosity's relaxed drilling hints at ancient acidic water on Mars

The Mars Curiosity rover is trying a new, easygoing drilling technique, and early results indicate acidic water conditions way back in the planet's history.

NASA's Curiosity rover has been hanging out at the base of Mount Sharp on Mars for the last five months. Its latest task? To examine a sample of the mountain collected using a new chilled-out drilling technique. The rock target is named "Mojave 2," and it's already hinting at ancient environmental c...

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