Category: largest meteor crater

Last week's news on the paleogeology front was a proposition that about 3 billion years ago a meteoroid roughly 15 to 20 miles wide smashed into the Earth's crust under a shallow sea. It struck a region that has since risen above sea level. Today that damaged terrain's remnants are in west Greenland along the Labrador Sea.

An arresting account at OurAmazingPlanet (a sister of LiveScience and Space.com)  by Douglas Main caught the eye this morning. It prompted a roundup of who else wrote it. Main wrote a good enough piece of science...