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Unzen 1792: Japan's Megatsumani
A history of the Unzen volcano complex focusing on the 1792 eruption that lead to the largest eruption related loss of life in Japan's history.
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The Boötes Void: The Biggest, Emptiest Thing in the Universe
In 1981 Robert Kirshner discovered the Boötes Void, an enormous region of space that contains just a view galaxies. Over time as more and more massive voids were found it became clear that they make up most of space and the galaxies lie along the edges of the voids like the filaments of a spider web.
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