Anna Gülcher from the Swiss Federal Institute of Technology in Zurich, Switzerland, and her colleagues
Simulation has allowed researchersto determine what functions the active volcanic object will have. Specifically, they looked for a trench around the outer ring of the site and a bulge at the edge of the trench.
Sapas Mons is a large volcano on Venus. Credit: NASA/JPL
Looking at the images of the Magellan, they foundthat at least 37 volcanic sites had these features, which indicates their activity. Volcanic areas called crowns are much larger than terrestrial volcanoes. The middle crown, which the researchers studied, had a diameter of 300 kilometers. Mauna Loa in Hawaii, the largest active volcano on Earth, is only 120 kilometers wide.
The researchers also found that mostof these places were in the belt around the planet. Scientists called this site the "Ring of Fire". Scientists hope that future missions to Venus will target the region to learn more about the planet's geology.
Based on the size, chemical composition andposition in the solar system, Venus is the most Earth-like planet ever observed. Understanding whether a planet is volcanically active today is an integral part of the puzzle scientists are trying to unravel. They want to understand why the Earth is habitable, and Venus, so similar to her, is a barren and hot wasteland.
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