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As said researchers Giant coils of lava on Mars suggest a mysterious network of valleys on the planet was born from volcanoes.
The origin of the Athabasca Valles region near the equator of Mars has been debated for more than a decade. Some researchers have proposed that lava once shaped the valleys, while others have thought ice was responsible. The way the ground there is patterned with multisided polygons suggests that either fire or ice could be the culprit, such patterns of cracks might have formed due to seasonal fluctuations in temperature if the surface there was rich in ice, but also might have arose as lava cooled and fractured. Now high-resolution images beamed back by NASA’s Mars Reconnaissance Orbiter of the Red Planet have revealed 269 spirals of lava that researchers say cannot be explained by ice-related activity. As said study lead author Andrew Ryan at Arizona State Universit this is the first time lava coils have been identified on an extraterrestrial setting. These spirals resemble lava coils on Earth.These can only be explained by lava processes. There are no known processes to twist ice around on that scale. Future modeling of how these spirals formed can help figure out the composition of these lavas, which can tell you about the composition of the Martian crust and mantle, Ryan said. Mars is the home of the largest known volcano in the solar system, Olympus Mons, which towers over Mars‘ western hemisphere. At 16 miles (25 km) high, it is about three times as tall as Mount Everest, Earth’s highest mountain.
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