Asteroid's Troughs Suggest Stunted Planet

Laurel MD (SPX) Sep 28, 2012
Enormous troughs that reach across the asteroid Vesta may actually be stretch marks that hint of a complexity beyond most asteroids. Scientists have been trying to determine the origin of these unusual troughs since their discovery just last year. Now, a new analysis supports the notion that the troughs are faults that formed when a fellow asteroid smacked into Vesta's south pole. The rese

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http://www.spacedaily.com/reports/Asteroids_Troughs_Suggest_Stunted_Planet_999.ht
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