Millions Would Die If Tunguska Event-Sized Asteroid Exploded Over NYC | Video

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Ed Lu (B612 Foundation/Fmr. NASA astronaut) testified that "whatever the entire population of the city was..would be gone" during a Senate hearing on potentially hazardous asteroids on March 20, 2013. The 1908 Tunguska Meteor leveled 800 sq. miles of Russian forest.
Credit: United States Senate Radio-Television Gallery
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