Opportunity Starts Historic Descent of Tantalizing Martian Gully to Find Out How Was It Carved

By ken-kremer - July 27, 2017 11:37 PM UTC | Planetary Science
From the precipice of "Perseverance Valley" NASA's teenaged Red Planet robot Opportunity has begun the historic first ever descent of an ancient Martian gully - that's simultaneously visually and scientifically "tantalizing" - on an expedition to discern 'How was it carved?'; by water or other means, Jim Green, NASA's Planetary Sciences Chief tells Universe Today.
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