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A new study indicates that the Venus crust is likely to be a height of about 40 miles (65 km) – and in many places, it may be much thinner. . | Credit: NASA/JPL-Caltech
Often, it is often removed as a geologically dead scientist, much more active below its reader’s surface than previously thought, according to a new research.
Unlike landand Venus It lacks the geological tank of the sheets that recycle them regularly and pronounces its surface. For years, the scientists assumed that the Venus crust will gradually accumulate without this process, and its thickness increases with a new rock stacked at the top. However, there may be a different type of planetary engine at work below the surface of this world, which prevents dandruff from thickness indefinitely by causing it to be interrupted or dissolved as soon as they reach a certain extent.
“This interruption or fusion can restore water and elements into the inner planet and help to push volcanic activity,” said Justin Filberto, co -author of the study in Houston in A. statement. “It resets the stadium for how to do geology, dandruff, and the air on both Venus.”
The new study, led by the world of planets Julia Simbrich From the open university in the United Kingdom, computer models were used to simulate how different types of rocks behave in the Venus crust under the heat and pressure of the planet.
The results indicate that the planet’s shell is subject to a kind of transformation. With the thickness of the shell, the lower layers become heavier than the scarf below, causing them to peel and flood them down. The study indicates that the planet shell is most likely at a height of about 40 miles (65 km) – and in many places, it may be largely thinner.
“This is amazingly thin, and circumstances on this planet,” said Filberto in the statement. This mechanism, researchers suggests, can explain the reason why Venus remains geological active, although there is no painting of the painting.
Modern analyzes of archive data from the Magilian mission of NASA also also Challenge the long assumptions About the geological stillness of Venus, and a convincing detection Evidence of volcanic activity In the early 1990s.
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“In fact, we don’t know the amount of volcanic activity on Venus,” Filberto said in the statement. “We assume that there is a lot, and research says it must be there, but we need more data to definitely know it.”
This data can arrive in the early thirties of the last century, when the Da Vinci and Fyrs NASA missions – along with the European Space Agency imagine – You will study the surface of Venus and a larger atmosphere in detail. These tasks can emphasize whether the transformation and cortical recycling constitute Venus today, and how they can lead their volcanic changes and atmosphere, according to the statement.
This research was described in a paper March 25 was published in Nature Communications.
