Case file · Cosmic event
Maniitsoq 'impact structure' claim
In 2012, geologists proposed that a 100 km zone of deformed rock near Maniitsoq, west Greenland, was the eroded scar of a giant meteorite impact three billion years old.
2012 CE · 65.25, -51.90 · status: disputed
The sceptical view
Other researchers found no shocked minerals or other diagnostic impact evidence, and most now reject the claim.