Earth, a Desert Compared to the Rest of the Solar System

Thursday, October 13, 2016 - 03:13

Our planet, Earth is practically a desert compared to the rest of the solar system.

As Business Insider reports, Steve Vance, a planetary scientist at NASA’s Jet Propulsion Laboratory, calculated how much water might be out there.

The to-scale graphic from Business Insider uses Vance’s planetary data, plus the United States Geological Survey’s detailed inventory of Earth’s water, to show the plausible volumes of water (both liquid and ice) for the nine verified and suspected ocean worlds so far:

In order of how much water each world has, from the least to the most, the wettest are: Enceladus, Dione, Earth, Europa, Pluto, Triton, Callisto, Titan, and Ganymede.

Mimas, a moon of Saturn, and Ceres, the largest asteroid in the solar system, might also have subsurface oceans — but scientists aren’t yet sure how big each one might be, if they exist at all.

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