Massive impact crater from a kilometer-wide iron meteorite discovered in Greenland

• An international team has discovered a 31-km wide meteorite impact crater buried beneath the ice-sheet in the northern Greenland. 
• This is the first time that a crater of any size has been found under one of Earth's continental ice sheets.
• Researchers from the Centre for GeoGenetics at the Natural History Museum of Denmark, University of Copenhagen have discovered this.
• The researchers worked for last three years to verify their discovery, initially made in the 2015. 
• The research is described in a new study just published in the internationally recognized journal SCIENCE ADVANCES.

SOURCE : science daily