340-comet-flood-dixon –This dramatic astronomical scene illustrates a cataclysmic cometary bombardment on the early Earth. In the background, a massive comet impact erupts on the horizon, unleashing a colossal plume of debris and thermal energy beneath the nearby Moon and a second incoming comet. In the foreground, turbulent waters surge across a fractured, volcanic landscape, filling impact craters and craggy basins to illustrate the scientific hypothesis that planetary oceans were delivered by cometary impacts. - painting by Don Dixon
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