402px-Stromboli_Eruption.jpg | Naked Scientists

Eruption of Stromboli (Isole Eolie/Italia), ca. 100m (300ft) vertically. Exposure of several seconds. The dashed trajectories are the result of lava pieces with a bright hot side and a cool dark side rotating in mid-air.

Credit:

GNU1.2 - Wolfgang Beyer

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