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Largest Ocean Worlds
By Tom Campbell
Where's the best place in the Solar System to find water? You might be surprised. The “water radius” for each world below indicates how big a sphere its water content alone (including ice) would make.
Source: Steve Vance; NASA/JPL-Caltech - Article From Business Insider
Enceladus
Saturn's sixth largest moon
Water Radius: 140 mi./
World Radius: 157 mi./
Photo Credit: NASA/JPL-Caltech/Space Science Institute
Dione
Saturn's fourth largest moon
Water Radius: 300 mi./
World Radius: 349 mi./
Photo Credit: NASA/JPL/Space Science Institute
Earth
Our Home - Third Planet from the Sun
Water Radius: 430 mi./
World Radius: 3,959 mi./
Photo Credit: NASA/JPL
Europa
Smallest of Jupiter's four Galilean moons
Water Radius: 550 mi./
World Radius: 972 mi./
Photo Credit: NASA/JPL/University of Arizona
Pluto
Dwarf planet in the Kuiper Belt
Water Radius: 630 mi./
World Radius: 738 mi./
Pgoto Credit: NASA/JPL/DLR
Triton
Neptune's largest planet
Water Radius: 730 mi./
World Radius: 840 mi./
Photo Credit: JPL
Callisto
Jupiter's second-largest moon
Water Radius: 1120 mi./
World Radius: 1498 mi./
NASA/JPL/DLR
Titan
Saturn's largest moon
Water Radius: 1180 mi./
World Radius: 1601 mi./
Photo Credit: NASA/JPL/Space Science Institute
Ganymede
Jupiter's largest moon
Water Radius: 1460 mi./
World Radius: 1635 mi./
Photo Credit: NASA/JPL
