Mars - Antarctica Connection

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.

https://www.livescience.com/61790-opportunity-rover-rock-stripes-mars.html

Feb 18, 2018