Curiosity Rover Closes in on Area that May Reveal Past Mars Life
When NASA’s Curiosity Rover first dug into the Martian desert, it found clays that could only have been formed by fresh water. This meant that, around three billion years ago, Mars was a watery planet. But did it support life? On the first anniversary of its landing, halfway through its primary mission, Curiosity is headed to the foothills of Mount Sharp, an 18,000-foot mountain whose rocks could provide clues to a time on Mars when life could have thrived. But because Curiosity is driving at a careful pace–about a hundred yards a day–the journey will take eight or nine months to complete.
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