THE TUNGUSKA EVENT Though it flattened all the trees in every direction for 30 miles, the airburst that took place over Siberia s Tunguska River left no crater behind.
{"Image DocumentName": "THE TUNGUSKA EVENT Though it flattened all the trees in every direction for 30 miles, the airburst that took place over Siberia s Tunguska River left no crater behind.", "Image ImageDescription": "Scientists theorize that the blast, caused probably by a meteor or comet fragment that exploded a few miles over the surface of the Earth, was 1000 times as powerful as the bomb that fell on Hiroshima, Japan..", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}