830 square miles of flattened forest, zero crater. Siberia 1908

the Tunguska thing gets filed under "meteor, solved, next" and that always bugs me because of one stubborn fact. morning of June 30 1908, something detonates a few miles up over the Stony Tunguska river in middle of nowhere Siberia. the blast circles the planet TWICE on the barometers. flattens ~80 ……