Published: Wed, June 20, 2018
Sci-tech | By Patricia Wade

Disclosed the mystery of the "intermittent day" on Venus

Disclosed the mystery of the

Also, the scientists revealed that these gravity waves, caused by the extreme weather on Venus, can alter the Venusian days' length, producing an oscillation of about two minutes, in Earth time. The result is a force that changes the gravity wave of Venus. However, a new study suggests that an unusual weather event could cause the length of a day on our planet's closest neighbor to change by a maximum of two minutes. According to the researcher's computer models, this adds up to a speed of more than 100 yards per second. The atmosphere in Venus is effectively shortening the days by making it spin faster, a new study has found, reports ScienceNews.

But the atmosphere of Venus is quite impressing and speedy because the clouds on top of the Venusian mountains revolves around the planet once every four Earth days. As a result, Venus spins at different speeds. According to the previous estimations, a revolution of the Venus takes around two hundred forty-three Earth days with a varying rate of rotation. But the atmosphere on Venus is notably thicker than on Earth, an observation that intrigued the researchers. Now astronomers argue that the interaction of the mountains and atmosphere of Venus can also increase the duration of the day. The team behind the mission hypothesised that this persistent structure is the result of a wave produced when the planet's speedy winds run up against its mountains, like water flowing over a big rock in a river.

This insane motion results in winds of up to 400 kilometres per hour (around 250 miles per hour).

These constant and intense hurricanes affect the peaks on the surface of Venus that leads to the appearance in the atmosphere of stable structures and even affect the rotation of the planet.

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However, it should be noted that scientists are not actually measured the change in the length of day.

The Japan Aerospace Exploration Agency has a spacecraft orbiting Venus called Akatsuki. The scientists inferred that this peculiar atmospheric formation could be a faster moving "mountain wave".

We already knew that the wave appeared right above the 4,500-metre-high (14,764 feet) Aphrodite Terra mountain range near the planet's equator - so it did seem like the most likely explanation.

Once scientists have a tighter grasp on these mechanisms, it could help them figure out a way to probe the interior of the planet, discover the nature of its core, and ultimately figure out what's sustaining Venus's freakish superrotation. In their model, the researchers took into account all known physical phenomena, which are observed in the planet's atmosphere, including convection and radiative transfer.

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