Impact crater: Timeline

1947   A meteor creates a crater Impact crater

An impact crater is a circular or oval depression [i] on a surface, usually referring to a ... 

 into Sikhote-Alin, Soviet Union Soviet Union

The Union of Soviet Socialist Republics , more commonly known as the Soviet Union, was a Communist state [i] ... 

2005   NASA NASA

The National Aeronautics and Space Administration is an agency of the United States Government [i], res ... 

's "Copper bullet" from Deep Impact spacecraft hits Comet Tempel 1, creating a crater Impact crater

An impact crater is a circular or oval depression [i] on a surface, usually referring to a ... 

 for scientific studies.

2005   A 4.1-kg (9-pound) meteorite Meteorite

A meteorite is an extraterrestrial body that survives its impact with the Earth [i]'s surface without be ... 

 crashes into the Dotito area of Zambezi Escarpment in Zimbabwe Zimbabwe

Zimbabwe , officially the Republic of Zimbabwe, and formerly known as the Republic of Rhodesia'... 

, leaving a 15-cm (6-inch) crater Impact crater

An impact crater is a circular or oval depression [i] on a surface, usually referring to a ... 

. , following the devastation of the city by Hurricane Katrina.]]