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Showing posts with the label F.J.W. Whipple

It Came from Outer Space and Nearly Killed Us All: The Story of the 1908 Tunguska Blast

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  “Suddenly the sky was split in two...the whole northern part of the sky was covered with fire.  There was a bang in the sky and a mighty crash.  The earth trembled.” - from an eyewitness account of the Tunguska Event recorded in 1927 . The night sky glowed an eerie phosphorescent blue from the fire of the explosion.  It was reported that the dark sky was so illuminated by what happened that night over northern Siberia that people as far away as China could read a newspaper outdoors at midnight. It sent shockwaves all across Europe and Asia.  In London and Washington D.C. seismographs registered the event as a small magnitude earthquake.  The sound could be heard as far away as St. Petersburg and the explosion is said to have broken glass in Moscow.  Within hundreds of miles of the epicenter dust particles thrown into the atmosphere blotted out the sun for days. On the morning of June 30, 1908 there was a massive explosion that occurred over wha...