Planet X affecting other planets - Venus

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The fast winds of Venus are getting faster

 

18 June 2013

 

Source: European Space Agency

 
The most detailed record of cloud motion in the atmosphere of Venus chronicled by ESA’s Venus Express has revealed that the planet’s winds have steadily been getting faster over the last six years.
 
Venus is well known for its curious super-rotating atmosphere, which whips around the planet once every four Earth days. This is in stark contrast to the rotation of the planet itself – the length of the day – which takes a comparatively laborious 243 Earth days.
 
By tracking the movements of distinct cloud features in the cloud tops some 70 km above the planet’s surface over a period of 10 venusian years (6 Earth years), scientists have been able to monitor patterns in the long-term global wind speeds.
 
When Venus Express arrived at the planet in 2006, average cloud-top wind speeds between latitudes 50º on either side of the equator were clocked at roughly 300 km/h. The results of two separate studies have revealed that these already remarkably rapid winds are becoming even faster, increasing to 400 km/h over the course of the mission.
 
“This is an enormous increase in the already high wind speeds known in the atmosphere. Such a large variation has never before been observed on Venus, and we do not yet understand why this occurred,” says Igor Khatuntsev from the Space Research Institute in Moscow and lead author of the Russian-led paper to be published in the journal Icarus.
 
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But the research also unveiled some harder-to-explain curiosities.

“Our analysis of cloud motions at low latitudes in the southern hemisphere showed that over the six years of study the velocity of the winds changed by up 70 km/h over a time scale of 255 Earth days – slightly longer than a year on Venus,” says Toru Kouyama from the Information Technology Research Institute in Ibaraki, Japan.
 

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The two teams also saw dramatic variations in the average wind speeds between consecutive orbits of Venus Express around the planet.

In some cases, wind speeds at low latitudes varied such that clouds completed one journey around the planet in 3.9 days, while on other occasions they took 5.3 days.

Scientists currently have no explanation for either of these variations, or for the long-term overall increase in wind speeds.

 

 

Recent articles about Venus slowing its rotation:

Could Venus be shifting gear? (10 Feb 2012, off-site link)

Is Venus' rotation slowing down? (10 Feb 2012, off-site link)

ZetaTalk Chat Q&A for February 18, 2012 - ZetaTalk explanation - Venus - slowing rotation

 

More on Venus:

Venus Transit June 5th/6th - Surprise Resulted!

Venus Transit Wobble!

ZetaTalk: Venus Transit Veer

 

More related ZetaTalk on other planets in the Solar system:

ZetaTalk: Venus and Mars

Jupiter/Saturn Tilting - ZetaTalk Newsletter

Jupiter Tilting! The Zetas Explain

Jupiter's moon, Europa, experienced a Pole Shift

 

Off-site links:

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