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Jupiter HD Video Shows New Weather in Great Red Spot

NASA has discovered that the red spot on Jupiter, a massive atmospheric storm, has shriveled by at least 150 miles.

Jupiter's famous red spot is now believed to be only half as wide as it was just 100 years ago. Scientists also noticed that the spot is not as red as it once was.

Despite years of observation, NASA still calls the red spot as a mystery, being not fully sure of what it is. Whatever the red spot might be, the atmospheric system is actually larger than the planet Earth. The red spot is thought as a storm with winds racing as fast as 400 miles per hour.

The red spot is especially confusing because Jupiter's thick atmosphere obstructs the views of anything beneath which makes it more difficult for researchers to get to the cause of the problem.

Besides using Hubble, NASA also sent the 2 Voyager spacecraft to study the massive gas giant. These spacecraft were able to capture close photos that revealed Jupiter's true nature, and helped observe details about the massive red spot.

The Voyager spacecraft are still operational. Voyager 1 has left the solar system and is now discovering interstellar space. Voyager 2 should make it to the interstellar space at some point in 2016.