Observations of Jupiter's volcanic moon Io show waves of lava in the massive molten lake called Loki Patera. lo is the most volcanically active body in the solar system. Infrared images from the Large Binocular Telescope Observatory captured differences in surface temperature on the Jovian moon that suggest that lava waves oscillate through Loki Patera, a large, active volcanic crater stretching 127 miles across the moon's surface. Swells of lava spreading across the surface of the lake could help explain the periodic changes in brightness seen at Loki Patera, according to a new study describing the observations.

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