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Mystery Gullies Discovered in Vesta's Craters - Discovery News
http://news.discovery.com/space/probes-spots-channels-in-asteroids-crater-walls-121207.htmlNASA's Dawn spacecraft departed the asteroid Vesta three months ago, leaving behind an intriguing mystery: How did gullies form in some of its craters' walls? Pictures taken by Dawn show two types of narrow channels on Vesta. The straight channels ...
Submitted in section: Paranormal news 2012: Mystery Gullies Discovered in Vesta's Craters - Discovery News