IGPP Researchers co-author Nature article on the Chelyabinsk meteor

Michael Hedlin, Catherine deGroot-Hedlin, Luciana Astiz and Gabi Laske have co-authored—with a larger group of researchers from other institutions—the 6 November 2013 Nature article, "A 500-kiloton airburst over Chelyabinsk and an enhanced hazard from small impactors," on the Chelyabinsk meteor and the probability of large asteroid strikes.