This is the Barringer Meteor Crater in Arizona. The diameter is 1.2 kilomters, and it is 49,000 years old. (Courtesy of D. Roddy and LPI)

The source of this material is Windows to the Universe, at http://www.windows.ucar.edu/ at the University Corporation for Atmospheric Research (UCAR). ©1995-1999, 2000 The Regents of the University of Michigan; ©2000-01 University Corporation for Atmospheric Research. All Rights Reserved. Site policies and disclaimer