New research on the Uranian moon Ariel suggests the icy world may be hiding a deep secret. Credit: NASA / JPL Scientists think one of Uranus' moons may once have had an ocean roughly 100 miles deep — ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Ariel, Uranus' second-closest moon, shows bright, fractured terrain that may have formed above a ...
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