The moon Dione of Saturn covered with strange unexplained stripes
The moon Dione of Saturn covered with strange unexplained stripes
Saturn has 62 moons. Of these, 53 have been formally named, while nine others are discoveries so recent that they have not yet received an official name. Titan, the largest of Saturn's moons, is more massive than the planet Mercury and has a nitrogen-rich atmosphere similar to Earth's. Enceladus, another moon, is likely to have an internal ocean, as evidenced by ice volcanoes that penetrate from the surface into space and fall back to the surface like snow. Complex organic molecules have been detected in Enceladus, which makes it one of the main candidates for finding extraterrestrial life in our solar system. There may be only nine planets formally recognized in our solar system, but there are 181 moons orbiting those planets, each with its own unique complexities and mysteries.
Saturn's moon Dione is one of those mysteries. Dione It is smaller than the Earth's moon, and it exists in orbital resonance with Enceladus, which means that it completes one Saturn orbit for every two completed by Enceladus. This orbital resonance is probably the source of the geological heat found in Enceladus, which is revealed in the form of the ice volcanoes of Enceladus. Despite being smaller than Earth's moon, Dione proves that size is not everything in terms of astronomical rarity. The Cassini data shows that, along with an orbital relationship, Dione shares other similarities with Enceladus, especially the presence of an inner ocean, but Dione is not simply an Enceladus twin. According to a new study published In the diary Geophysical research letters, The little moon has a mystery of its own. Along its surface, there are bright white stripes that do not look like anything else seen in the solar system, and until now scientists do not know what they are.
Dione Image credit: NASA / JPL-Caltech / Space Science Institute
Scientists have ruled out the geological causes of fringes such as tectonic activity. Instead, they say that whatever the part of the stripes, they are likely to be covered across the surface like snow. What is strange is how they are involved. Other bodies in the solar system, including Saturn's moon Rhea, show bright lines on the surface, but none so straight and seemingly intentional as the lines in Dione. The lines are between six and sixty-two miles long and three miles wide and perfectly straight. Not only are they perfectly straight, but parallel to the equator of Dione, a feature that scientists say is very unusual. They are intact, what scientists consider to be a relatively new phenomenon and possibly part of a phenomenon in progress In the Saturn system.
The authors of the study say that the cause of these mysterious lines is probably due to some influence outside the world:
We explore different ways of forming linear features on planetary surfaces and we favor the covering of exogenous material through a planetary surface through encounters with Saturn's rings, coorbital moons or the nearby overflight of comets. These remains can introduce materials into the Dione system that could contribute to creating a more habitable Dione.
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One of Cassini's final images of Dione. Image credit: NASA / JPL-Caltech / Space Science Institute
Recently, scientists showed that one of the basic components of life here on earth was probably formed in space and deposited here on earth. With an interior of liquid water and a constant reservoir of material outside the world in Dione, it seems possible that some strange chemistry could make its way into the subterranean sea and begin the process of life. Of course, such a life would probably be microscopic and completely beyond our ability to study it for many years. This shows that, once again, the more we learn about our corner of space, the more mysteries we discover.
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