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Sunday, April 30, 2017

Planetary scientists have reported a potentially habitable ocean on Saturn’s moon dione

After studying the data collected by the probe “Cassini”, a group of scientists from the Royal Observatory of Belgium came to the conclusion that the subsoil is likely to be an ancient subglacial ocean. It is not excluded even that it is home to local microorganisms. Until now it was known about under-ice oceans on two other moons of Saturn (Titan and Enceladus), and three satellites of Jupiter (Europa, Ganymede and Callisto).

photo: pixabay.com

According to researchers, distance from the planet’s surface to the salt of the ocean is about 100 km. The ocean itself is assumed to be up to several kilometers deep and has a rocky bottom.

Myself Dion in diameter reaches 1 123 kilometers, has a stone core and a thick layer of water ice on the surface. More of all it is similar to another moon of Saturn, Enceladus, which is inferior to it in size, but famous for the huge jets of water, sometimes gushing from its depths into space near its South pole (by the way, recently scientists have said that kind of geysers was discovered in Europe, even more famous Jupiter).

On dione similar activity is not seen, but experts say that certain marks on its surface can be considered evidence of a much more “violent” past. Also powerhosting ocean, according to scientists is demonstrated by the fact that the satellite in a special way “wobbles” in its orbit.

According to experts, if under dione’s surface really is the ocean, he probably existed there throughout its history and, therefore, the chances that there might arise in life, it is theoretically quite high.

However, in the near future to test this hypothesis unlikely, added the scientists. As already mentioned, the estimated ocean is very deep below the moon’s surface, and water from it to the surface not get.

The study of planetary scientists published in the scientific journal Geophysical Research Letters.


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