Arizona Meteor Crater-Visitors from Outer Space.

Meteor Crater in Arizona is the best preserved of Earth's few remaining impact craters. Why does the moon have more than 500,000 craters at least as large? Explore what happens when extraterrestrial debris strikes Earth at escape-velocity speeds. A relatively small object can do a surprising am...

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Bibliographic Details

Corporate Author:	Kanopy (Firm)
Format:	Video
Language:	Undetermined
Language Notes:	In English
Published:	[San Francisco, California, USA] : Kanopy Streaming, 2015.
Subjects:	Agriculture and Geography Environmental Sciences Hospitality and Tourism Nonfiction films. Internet videos.
Online Access:	Connect to this streaming video