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Investigation X

Investigation X: Comet Impact
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Investigation X: Comet Impact

Tomorrow 2pm - 3pm Discovery Science
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Tomorrow, 3pm - 4pm Discovery Science +1
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Summary

The 1908 Tunguska explosion in Siberia, a mysterious blast many times more powerful than the detonation of an atom bomb, which flattened millions of trees over an area of more than 800 square miles.

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