Bright Insight did a concise summary of this news and its potential implications. Worth the watch. Staggering, can you even imagine what an object ten billion tons traveling at 12 miles per second… does to an ice sheet two miles thick. Also consider this article on meteorite strew fields in order to understand that this event could have had multiple impact sites which could be related to the formation of the Carolina Bays.
The 12,000 Year old Comet that Landed on TEDTalks…and Erased Ancient Civilization – Greenland Crater