New Evidence Emerges In Support Of Double Asteroid Impact Theory

Nearly 15% of all asteroids travel in pairs, yet very few impact craters on Earth have been identified as "doublets" — dual craters arising from sudden back-to-back impacts. But a new analysis has identified a potential candidate in Sweden, the product of a binary pair striking the Earth some 458 million years ago. »3/19/14 12:10pm3/19/14 12:10pm