Cassini finds global ocean in Saturn's moon Enceladus

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Holy shit, another one?

The Saturn system is the star of the solar system for sure, between the rings and the moons.
 
nothing more encouraging than an alien water stash
 
mmmm... enceladus

Cac_RedChickenEnchiladas.jpg
 
The first 2 paragraphs (the only evidence is the moon's wobble, which must be caused by a large mass inside the moon which shifts position) was news 2-3 months ago. At that time, they said it was an internal ocean, but they didn't know whether it extended over part, or all, of the moon.

Now they measured density changes (= altitude changes while passing overhead), and found that the underground ocean is global. (Density gradient is an old concept. While 2 astronauts walked on the Moon, the 3rd Apollo astronaut famously measured Mascons.)
 

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