They really couldn't have missed the bow-shaped feature that appeared in the longwave infrared images. While the rest of the planet's atmosphere moves extremely fast - around 60 times faster than the speed of planet's rotation. Similar waves form in Earth's own atmosphere. This showed that the bright, unusually warm region stretched 6,200 miles across the top of Venus' clouds and did not move during the observations.
Gravitational waves, which were discovered a year ago, on the other hand are ripples in spacetime.
On this point Dr Wilson told BBC News: "I think we should give them that.it stretches nearly from pole to pole, which is phenomenal in distance".
The detected waves were developed in the region called Aphrodite Terra.
Dr Wilson was involved with the European Space Agency's Venus Express mission, which ended in December 2014. In fact it is unclear whether it is even possible for gravity waves to cause such a big effect. At the surface of the stream, you will see it as changes in height.
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The super-rotation of Venus' atmosphere makes it very different from Earth. It never got these lovely images which this Japanese spacecraft has now revealed. However, we now know that the environment of Venus is more hellish than romantic.
As such, this may reveal that researchers can study the lower and middle atmosphere of Venus by looking at what is going on at the cloud tops. Studying the newfound wave could help planetary scientists figure things out. Essentially, airflow passing over Venus's mountains was sculpted into waveforms that propagated upward, eventually taking the bow-shape observed by Akatsuki.
The term "gravity wave" (not to be confused with the space-time distorting gravitational wave) is a bit confusing - in the atmosphere, it can be thought of as vertical wave. That sounds all good, right?
The team behind the Akatsuki probe says all the evidence is pointing towards the bulge being a massive gravity wave - something that occurs when a fluid material, such as a liquid, gas, or plasma, is jostled out of a position of equilibrium. "So, to get it working in their model they had to assume a different wind structure than what is conventionally assumed for Venus, otherwise that feature wouldn't have survived to the height of 65 km". "We have never seen such a structure in past observations".
Venus is wrapped in thick clouds of sulfuric acid that swirl around the planet at 225 miles per hour, but not everything in the atmosphere is moving. It was a bow-shaped gravity "patch" rippling through the clouds in the planet's upper atmosphere. The opposite is true on Earth, as the atmosphere rotates about every two weeks.
"The feature probably arising at least in part by gravity waves will tell us more about the role they play in the atmospheric dynamics".