Mà ‰ MEXICO, DF (Agencies) The Cassini space mission of the National Agency for Aeronautics and Space Administration (NASA, for its acronym in English © s) descubrió an OCA © year under the icy crust of Enceladus, active moon of Saturn.
The slight “wobble” of the moon as it orbits Saturn can only be explained if the outer layer of ice HATH not frozen inside, what which means there is an OCA © overall year, the researchers said.
The scientists analyzed more than seven-year ± os the images of Enceladus taken by the spacecraft, orbiting Saturn since mid 2004 detalló NASA’s Internet page.
Looking at particular positions and characteristics of Enceladus, in its majority formed by craters, scientists also © n measured changes in the rotation of the moon, which identified the ‘wobble’ while performing orbit Saturn.
The icy moon of Saturn is not ESFA © rica as a whole has rápidos and slow movements while turning around Saturn, which causes the move of the giant planet ‘subtle’ way to atrásy forward when it’s in orbit.
“If the surface and connect rÃgidamente kernel, the kernel would provide deadweight both the wobble would be much lower, “said Matthew Tiscareno, Cassini scientist participating in the SETI Institute in Mountain View, California, and author of the paper.
‘This shows that there must be a layer Overall fluid that separates the surface of the kernel ‘, ± adió year.
However, Tiscareno said that the mechanisms that could have prevented the freezing ocean Nature © this year are a mystery.
So scientists working in other studies that could help solve the Question, including the possibility of tidal forces due to the gravity of Saturn that would generate a lot more heat inside Enceladus than previously thought.
informó that NASA’s Cassini spacecraft will make more close flyby of Enceladus on October 28, passing across © s of the active column of icy material, to so only 49 kilometers from the surface this moon.
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