Christopher and Ivan Bordeaux hold the meteorite that fell on April 14, 2010 in Wisconsin, a remnant of what was previously seen in the sky as a giant fireball. The stone was recovered 22 hours after its fall. Photo: Terry Bordeaux, uploaded by Michael Johnson to the "Rocks From Space" website, courtesy of Universe Today

Christopher and Ivan Bordeaux hold the meteorite that fell on April 14, 2010 in Wisconsin, a remnant of what was previously seen in the sky as a giant fireball. The stone was recovered 22 hours after its fall. Photo: Terry Bordeaux, uploaded by Michael Johnson to "Rocks From Space" courtesy of Universe Today