Jupiter's Great Red Spot

A raging red swirling storm located in Jupiter's upper atmosphere. The storm has been observed since at least the late 1800s, and perhaps as far back as the 1600s. It appears to rotate counterclokwise once every six days. Its size varies from about 1 to 2 times the diameter of Earth, while its color varies from pale pink to vivid red.


Jupiter's Moons Jupiter has 62 known moons. The four Galilean...
Jupiter Weather systems on Earth blow themselves out in...

Radio Programs

Moon and Jupiter Adding color to a giant planet Monday, March 2, 2015
Great Red Spot III The case of the disappearing red spot Wednesday, August 20, 2014
Great Red Spot II Getting the red out of Jupiter’s “eye” Tuesday, August 19, 2014
Great Red Spot Staring into the eye of Jupiter Monday, August 18, 2014
Moon and Jupiter A study in contrasts in the evening sky Sunday, June 1, 2014
Moon and Planets III Artistry on a planetary scale Sunday, February 26, 2012

Featured Images

Cassini view of Jupiter from 6 million miles
Turbulent Giant Friday, February 6, 2015
Voyager 1 view of Jupiter's Great Red Spot
Long-Lasting Storm Monday, August 18, 2014
Hubble views of Jupiter's Great Red Spot
Shrinking Storm Thursday, May 15, 2014
Voyager mission enhanced-color image of Jupiter's Great Red Spot
Planetary Impressionism Sunday, February 26, 2012
Jupiter's Great Red Spot and the planet's four largest moons
An Eyeful of Moons Monday, January 2, 2012


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