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A liquid ocean under the crust of Ceres, the largest object in the asteroid belt, may have led to the formation of its cryovolcano, Ahuna Mons:
Ahuna Mons is a giant mountain with a[n] icy volcanic dome, a so-called cryovolcano. All volcanic activity for cryovolcanoes happens at low temperatures; they spew icy magma which can consist of freezing water, ammonia or methane instead of hot bubbling lava. The lack of craters on the volcano's surface meant it was probably formed quite recently – a couple of hundred million years at most. Ottaviano Ruesch, lead author of the paper and a NASA scientist working on the Dawn mission, said: "This is the only known example of a cryovolcano that potentially formed from a salty mud mix, and which formed in the geologically recent past."
The possibility of cryovolcanism on Ceres has important implications. Not only does this confirm the dwarf planet's surface temperature of minus 40°C, but it also suggests that its interior has kept warm enough for a sea of salty liquid water to exist below the planet's surface for a relatively long time. "Ceres appears differentiated internally, with a core and a complex crust made of 30 to 40 per cent water ice mixed with silicate rock and salts," said Williams.
The geomorphology of Ceres (DOI: 10.1126/science.aaf4332) (DX)
(Score: 1, Funny) by Anonymous Coward on Sunday September 04 2016, @09:56AM
It pains me to see you waste your efforts like this, it really does, especially since you are so inquisitive.
'Ceres', as depicted here, is pure fantasy, as is the rest of 'space' the way space agencies present it. Job-wise, I have spent a decade to this stuff, and only after I mastered geometry and calculus. I have met several of these people.
Is there wonder, awe and mystery in creation? You bet. And it is way, WAY more wonderful, awesome and mysterious that what these clowns want you to believe. The catch is that "gravity" is out of the picture, completely non-existent: hence no spinning balls, and the whole heliocentric paradigm is pure hokum.
See how a slinky free-falls, clearly pushed from above and against all gravity math. See how a gyroscope becomes 'lighter' while spinning, and completely ignores the presumed rule that it has to keep its orientation fixed relative to the fixed stars. All easy experiments to perform on your own, in this age of digital scales and high-framerate digital cameras.
Now go on, once more, and rank this post a 'Troll', a 'Flamebait' and so forth, all without investigation and out of the dogma that you have been indoctrinated with and feel the utter urge to defend. After all, the Truth sounds like hate to those who hate the Truth.
(Score: 0) by Anonymous Coward on Sunday September 04 2016, @11:53PM
There's overwhelming evidence that the Earth is round, and we're inside it.
(Score: 2) by aristarchus on Monday September 05 2016, @08:57PM
and the whole heliocentric paradigm is pure hokum.
AC: "And those fools at the Academy laughed when I presented my findings! Then they censored me! I had to move in with The Mighty Buzzard. Then he kicked me out, too, something about a Tesla coil in the bathroom, so I had to go live with khallow. But soon they will all stop laughing! Very soon, my Antigravitational Electric Universe Death Ray (AEUDR, for short) will be fully operational! That is, once I find the illudium Q-36 explosive space modulator. They will all be sorry!!"
The one fatal flaw of insane archvillains: they just can't help telling everyone about their evil plans on the internets.