In this video clip, see why an explosion three miles above Earth would act like a white-hot tornado on the surface. Watch NOVA Wednesday nights on PBS. Or join us online at pbs.org/nova. 

Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, Lockheed Martin Corporation, and PBS viewers. 

To learn more, visit http://www.pbs.org/nova/clovis

In this video clip, see why an explosion three miles above Earth would act like a white-hot tornado on the surface. Watch NOVA Wednesday nights on PBS. Or join us online at pbs.org/nova. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, Lockheed Martin Corporation, and PBS viewers. To learn more, visit http://www.pbs.org/nova/clovis

(refeed) Comet Airburst Destruction

NOVA brings you short video stories from the world of science, including excerpts from our television programs, video dispatches from producers and correspondents in the field, animations, and much more. For more science programming online and on air, visit NOVA's Web site at http://www.pbs.org/nova and watch NOVA broadcasts Wednesday nights on PBS.  Please note that this feed requires QuickTime 7.  Free upgrade available at apple.com/itunes.

NOVA brings you short video stories from the world of science, including excerpts from our television programs, video dispatches from producers and correspondents in the field, animations, and much more. For more science programming online and on air, visit NOVA's Web site at http://www.pbs.org/nova and watch NOVA broadcasts Wednesday nights on PBS. Please note that this feed requires QuickTime 7. Free upgrade available at apple.com/itunes.

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(refeed) Comet Airburst Destruction

(refeed) Comet Airburst Destruction