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Cassini gravity measurements and a new model indicate that Dione may have a subsurface ocean like several other bodies in the solar system:
Saturn's moon Dione has joined the growing list of watery bodies in our solar system. Data from NASA's Cassini probe indicate that a liquid ocean some 20 miles deep exists far below the icy surface of the moon. This means that its interior looks similar to two other Saturnian moons, Titan and Enceladus, both of which hide vast oceans beneath a thin crust of ice. Dione is likely different in at least one respect though: the data indicate it's ocean buried much deeper.
The researchers based their analysis on gravity measurements taken by the Cassini spacecraft as it flew by Dione, tracking subtle shifts in the trajectory of the craft due to Dione's gravitational pull. Similar methods have been used before, but the data always seem to indicate that Dione had no such subterranean ocean. The new data, combined with a revised model of how the moon's crust should behave, changes that assumption. [...] Dione now joins Titan, Enceladus, Europa, Ganymede and Pluto as the solar system's wettest places — beyond Earth. And, given that we seem to find new bodies of liquid water every time we take a closer look at our solar system, more are likely to come.
Enceladus' and Dione's floating ice shells supported by minimum stress isostasy (DOI: 10.1002/2016GL070650) (DX)
(Score: 0) by Anonymous Coward on Wednesday October 05 2016, @03:07PM
It's is not, it isn't ain't, and it's it's, not its, if you mean it
is. If you don't, it's its. Then too, it's hers. It isn't her's. It
isn't our's either. It's ours, and likewise yours and theirs.
-- Oxford University Press, Edpress News
I sent the above to the author of the article, Nathaniel Scharping (nscharping@gmail.com).
He appears to be both a native English speaker (from the United States) and college "educated".
Perhaps Roscoe can set him straight. I sure hope so.
(Score: 2) by takyon on Wednesday October 05 2016, @03:26PM
Now this is the kind of participation I like to see.
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]
(Score: 2) by Phoenix666 on Wednesday October 05 2016, @08:15PM
Journalists these days hit spell check and call it a day, probably ignoring the grammatical hints. Proofreaders, too, seem to have gone the way of the dodo. Curiously enough if you ever read archival newspaper articles older than a hundred years ago, you find they were as fraught with spelling and grammatical errors then. The high watermark for correct usage was sometime between 1900 and 1970, it seems.
On a related note, is it correct to contract "its is" to "its's?" For example: "I have a ball and the dog does, too. Its's chewed."
Washington DC delenda est.