Moon of Saturn Enceladus. Credit: NASA
A pair of researchers, one from the University of Maryland, another from the Southwest Research Institute, has found what they believe is a plausible explanation for the existence of an ocean under the surface of one of Saturn's satellites. In an article published in the journal Nature Astronomy Mark Neve and Alice Rodin describe the computer model they built to reproduce the conditions near Saturn over time and what they showed.
Saturn has more than 60 months of size from small globes less than 300 meters to a gigantic Titan, which has a larger circle than Mercury. Some satellites of the orbit are close to the planet, others are far enough. Scientists believe that only one of the satellites of Saturn, Enceladus, has an underground ocean. In this new study, the researchers sought to determine why Enceladus is unique in the system of Saturn.
The researchers began by noticing that Saturn has only more internal satellites, each of which is large enough to have an underwater ocean and is close enough to the melting ice planet. They also noted that the preliminary work of others suggested that all internal satellites were likely to evolve as a result of the combined material collected along with the debris around the planet that contained the ice. They also noted that they were exposed to the gravitational gravity of the planet and each other for all these months. Finally, they noted that previous researchers have created computer models designed to simulate tides on Saturn's satellites and their geology, but so far no model has been created for modeling as a single model that could explain why only one of the moon has an underground ocean.
Researchers have developed their model to mimic Saturn's behavior and its months over the past 4.5 billion years. The model showed that Enceladus developed the underground ocean due to his unique gravitational interactions with other satellites ̵
1; they pushed Enceladus into an oblong orbit. They also discovered that Saturn's thrust on the Moon constantly distorts it, and that bending heats the interior of the Moon, allowing the water of the underground to remain liquid. None of the other four months had the conditions sufficient for water to remain liquid under their surface.
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Marc Neveu et al. The Evolution of the Middle Ages Saturn, Astronomy of Nature (2019). DOI: 10.1038 / s41550-019-0726-y
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Possible explanation for one of Saturn's satellites with underground ocean (April 2019, April 3)
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