The Biggest Asteroid Impacts In Earth’s History Known To Science

Popigai

By NASA. Courtesy of Denis Sarrazin. - http://earthobservatory.nasa.gov/IOTD/view.php?id=79743&src=eoa-iotd, Public Domain, https://commons.wikimedia.org/w/index.php?curid=23187726

By NASA. Courtesy of Denis Sarrazin. – http://earthobservatory.nasa.gov/IOTD/view.php?id=79743&src=eoa-iotd, Public Domain

The fourth largest known crater created by impact on Earty, Popiagai is estimated to have occurred 35 million years ago. Scientists believe the asteroid responsible was between 3 and 5 miles wide.