Teachers and researchers from Spain’s Seville University and the Basque Country university think that changes in air flow could be causing our planet’s atmosphere to move faster.
Researchers from the University of Seville and the University of the Basque Country have carefully studied the Venus’ clouds. These clouds look like a big “tsunami” that moves in the planet’s atmosphere, possible making it move faster. Scientists observed this for over 100 days with help from amateur astronomers across countries. Also, they are joining forces with Japanese mission Akatsuki in 2022. Javier Peralta, part of this project at the University of Seville said, “it’s all thanks to amateur astronomers around the world who made this observation possible.”
A study published in Astronomy & Astrophysics on March 28 revealed an unexpected phenomenon- something called a discontinuity appeared to move upwards from the very lowest clouds on Venus and reached around 70 km above its surface! This was really strange because up until that point, it had only been seen within the deepest clouds – never so high. According to Peralta, we’d “never observed” this happen before!
In 2022, astrophysicist Javier Peralta created a strategy for the WISPR spacecraft to observe Venus during Parker’s trip around it. He also looked at pictures taken from both WISPR and JAXA-Akatsuki’s IR1 camera of Venus’s surface to figure out what it was like.
Scientists usedAkatuskito study Venus’ clouds, and noticed something unusual. It seemed like a wall was forming between the deep and high clouds. This wall blocked the wave from travelingupward becausethe winds near the peak of the clouds were faster than the wave. But then in 2022, it turned out that these winds were surprisingly slow. Therefore, this meant that the wave could travel to higher altitudes before meeting any resistance.
It’s important to measure the wind on Venus because its atmosphere turns more quickly than the ground does – it rotates 600 times faster! This mystery is known as superrotation and it can also be seen on Saturn’s moon, Titan, and many other planets out there. However, scientists have been trying to figure out why this happens for a long time now and so far, they haven’t had much luck in solving it.
In March 2023, a group of researchers studied Venus cloud continuity in an uninterrupted way. They wanted to find out how they could take better pictures of a serious eye condition called ‘cystoid macular edema’ using high-tech imaging technology. Their research was published in the Journal Astronomy & Astrophysics and is titled “Venus Cloud Discontinuity in 2022: The First Long-term Study With Uninterrupted Observations”.
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