New research on Tunguska finds such events happen less often than we thought
Enlarge / The famed Tunguska event of 1908 scorched a five-mile swath of trees and caused many to fall away from the center of the blast in a distinct radial…
ANALYSIS
Enlarge / The famed Tunguska event of 1908 scorched a five-mile swath of trees and caused many to fall away from the center of the blast in a distinct radial…