Image of the Grand Canyon

This is an image of the Grand Canyon in Arizona. It is 277 miles long and up to 18 miles across. The Grand Canyon is the largest canyon in the world and was cut by the Colorado River over millions of years. Some parts are almost a mile deep. (Courtesy of Aris Multimedia Entertainment, Inc. 1994)

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