Mars - Antarctica Connection

This Martian Crater Has a Weirdly Earth-Like Secret

NASA's Mars rover Opportunity was exploring an uncharted Martian valley last month when it encountered a shockingly familiar sight: Streams of rocks and gravel stretched down the hillside of Perseverance Valley — a roughly 600-foot (183 meters) drop down the inner slope of a crater — in seemingly organized rows.

Feb 18, 2018

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