Great Dark Spot

The largest and oldest storm in the solar system is Jupiter's Great Red Spot, stretching an incredible two to three times the diameter of the planet Earth.

Meanwhile, the fastest winds ever measured, clocking 1,500 miles per hour, once raged in Neptune's Great Dark Spot.

Saturn's polar vortex is a 20,000-mile-wide monster shaped like a hexagon.

Even plain-looking Uranus hides USA-sized hurricanes below its methane haze.

With such a wide range of molecular species driving an incredibly deep convection cycle, there's no danger of a Jovian storm system running out of molecules to condense.

Even high pressure outward blowing storms don't dry up like they do on Earth.

In fact, all of the famous storms like the Great Red Spot, Neptune's Great Dark Spot, and Saturn's polar vortex are, or were, anticyclonic.

Gas giant storms can last for many years.

It's thought that the low temperatures in the atmosphere reduce friction, allowing the winds to gather to such amazing speeds.

Voyager saw a huge storm marring Neptune's face, called, for some reason, the Great Dark Spot.

A few years later, when Hubble was used to observe the pl-

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Additionally, the internal heat radiating from Neptune's core may drive convective currents that generate the atmospheric circulation patterns responsible for these incredible winds.

During its 1989 flyby, NASA's Voyager 2 spacecraft discovered a massive storm system on Neptune that scientists immediately dubbed the Great Dark Spot.

The spacecraft sent back pictures of two giant storms brewing in Neptune's southern hemisphere, stunning astronomers with the sheer scale and intensity of the atmospheric disturbances.

similar to jupiter's famous great red spot the great dark spot is an anticyclonic storm though far more transient in nature this colossal storm measured thirteen thousand kilometers by six thousand six hundred kilometers across with its longer dimension roughly equivalent to earth's diameter A single storm of this magnitude would dwarf even the largest hurricanes that form on our planet.

Accompanying the Great Dark Spot were bright, wispy clouds thought to comprise methane ice crystals scattered around the edges of the grey vortex.

The storm was characterised by its deep, slate-coloured appearance, which created a striking contrast against the surrounding bright blue atmosphere.

The methane ice crystal clouds created delicate, wispy patterns around the storm's boundaries, giving the Great Dark Spot a distinctive visual appearance in images captured by the Voyager spacecraft.

The storm was unlike anything previously observed in the outer solar system, a tempest of almost unimaginable proportions that continued to swirl and churn as the spacecraft flew past.

This planet is home to colossal storms.

When Voyager 2 passed by in 1989, it saw the Great Dark Spot, a storm about the size of Earth, passing through its atmosphere.

This turbulent storm seemed to be rotating counterclockwise, just like the Great Red Spot on Jupiter, and exhibited winds reaching up to 2,400 kilometers per hour, the strongest recorded in the solar system.

One NASA analyst, Ken Bollinger, commented on the findings in 1989 saying, "Every day what you see is brand new.

Having never visited the Neptunian system before, Voyager 2 beamed back images that left the scientific world completely stunned.

Not only was the planet itself far more dynamic than first thought, with an Earth-sized storm named the Great Dark Spot, supersonic winds, and a faint ring system, Voyager 2 measured Triton's surface temperature to be -235 degrees Celsius, making it the coldest known place in the solar system at the time.

Even more shockingly, Triton's surface was unexpectedly almost completely devoid of impact craters, and in planetary geology, a lack of craters means one thing: youth.

Triton's surface is estimated to be less than 100 million years old, and in some regions, perhaps only 6 million.

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the latitude of the Great Dark Spot on Neptune, which we did.

In a paper we published in CompuServe two weeks before Voyager 2 arrived at Neptune, predicated on the reality of a set of structures on another planet, unless the structures are real, unless the mathematical logic chain is real, unless the predictions have real power.

So that's why I can say we're still positive, backed