Massive Storms on Jupiter May Transform Southern Equatorial Belt

Recent observations reveal massive thunderstorms in Jupiter's Southern Equatorial Belt that may produce green lightning and alter the belt's rusty color.

Recent observations have revealed the presence of two enormous thunderstorms developing within Jupiter’s Southern Equatorial Belt (SEB), which may emit striking green lightning.

Researchers propose that these storms could significantly alter the SEB’s distinctive rusty color, possibly making it less visible.

Astounding Observations

Astrophotographer Michael Karrer captured stunning images of these thunderstorms on November 30 with his 8-inch Celestron telescope in Austria.

The photographs showcase two large white formations positioned next to each other amidst the gas giant’s prominent reddish-brown cloud band.

These storms are thought to produce large green lightning bolts in Jupiter’s thick atmosphere, potentially diluting the reddish hue of the SEB.

Storm Dynamics

Astrophysicist John Rogers, who specializes in Jupiter research at the British Astronomical Association, commented on the massive thunderstorms depicted in the images.

He noted that they are similar to those observed during the 2016-2017 period.

Although their exact dimensions are not clear, reports indicate that these storms could be extensive enough to cover the entire Earth, extending about 60 miles (100 kilometers) deep within Jupiter’s turbulent atmosphere.

In contrast to the enduring Great Red Spot, these storms do not have the stability to last for long periods.

As they interact with the surrounding atmospheric conditions, they are likely to break apart, causing their lighter colors to blend with the SEB’s traditional dark shades.

This mixing might lead to a fading of the brown belt’s characteristic color, with preliminary images already showing faint white tendrils emerging from the thunderstorms.

Historical Context

Historically, significant color changes in the SEB are not new.

The belt has experienced such remarkable transformations in the past, leading to its apparent “disappearance” during certain periods between 1973 and 1991 and again in 2010.

However, it is still too early to determine whether the current situation will result in a similar occurrence.

The thunderstorms responsible for these changes are primarily driven by convective processes within Jupiter’s atmosphere, similar to storms that take place on Earth.

While both types produce lightning, the lightning on Jupiter is notably green, a feature attributed to the presence of atmospheric ammonia, as noted by NASA.

Jupiter has become particularly bright since its recent opposition on December 6, when Earth positioned itself directly between the planet and the Sun.

During the upcoming weeks, people can easily observe Jupiter in the Taurus constellation.

Those equipped with telescopes or binoculars can seize this opportunity to closely examine the gas giant’s remarkable features.

Study Details:

  • Astronomer: John Rogers
  • Specialization: Jupiter
  • Source: Spaceweather.com
  • Link: Spaceweather.com