Moons: Active Worlds
June 19, 2019
| Credit | J Olmsted (STScI) | 
|---|---|
| Language | 
                                                                            
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Jupiter’s moons Io and Europa, and Saturn’s moons Enceladus and Titan, show remarkable geological activity for their small size, with features ranging from volcanoes and water plumes to possible subsurface oceans.
			


		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
