Scientists say Venus may have enough active volcanoes to form its own ‘ring of fire’

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FP TrendingJul 25, 2020 16:50:53 IST

Venus, known as the twin of Earth, is considered to be an unusual planet for its circular orbit and its thick cloudy atmosphere. The presence of numerous volcanoes on the planet was a known fact but these were touted to have been dormant for ages.

But a recent study has revealed that some of these activities might be not as ancient as we thought. They could even be occurring in current times.

Scientists are using crown-like structures found on Venus to determine whether it is, like Earth, a volcanically active planet or not. Early research suggests that the extremely hot planet might have its own ‘ring of fire’, but the factors contributing to its presence on Venus might be different from Earth. Ring of fire is a region in the basin of Pacific Ocean that is known to be seismically active.

The study was published in the journal Nature Geoscience recently.

According to the study, multiple structures called coronae can be seen on the surface of the hot planet, gaining its name from the “crown-like” shape they leave behind on the surface. These are somewhat formed like the volcanoes on Earth – with plumes of hot magma coming out from Venus’ core up to the crust. However, these are huge in comparison to earthly volcanoes, with diameters larger than 299.3 kilometre.

A group of scientists from the Department of Earth Science, Institute of Geophysics, Switzerland and Department of Geology, University of Maryland, USA teamed up to create models of Venus’ interior to see what led to the formation of these coronae. To their surprise, the scientists found 37 structures that showed signs of activity within the last few million years. “For the first time, we were able to pinpoint specific structures and say, ‘Look, this is not an ancient volcano but an active one,’” said the study’s co-author Laurent Montesi.

By proving that Venus is geographically active, scientists are looking forward to understanding why two planets so similar in composition and size evolved so differently.

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