Last weekend, NASA's Juno spacecraft flew over the southern hemisphere of Jupiter's moon Io. The close flyby brought Juno within 930 miles of the sulfur-shrouded hellscape of volcanoes and lava lakes that make up Io's surface.
Their competing gravity creates powerful tides deep in Io's interior, stretching the moon's innards back and forth - and generating enough heat to power a world where rivers of lava flow beneath sulfurous plumes.
#nasa #juno-spacecraft #jupiters-moon-io #volcanoes #lava-lakes #gravitational-pull #tides #geological-features
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