Jupiter’s Great Red Spot. It’s one of the most recognizable features of any planet in our solar system, right up there with Saturn’s rings.
And, remarkably, it’s a storm. A really huge storm that’s been raging for hundreds of years.
But it seems to be changing. Observers say it’s shrinking, and they’ve seen wisps peeling off in recent months.
What does it all mean?
We talk to Amy Simon, Senior Scientist for Planetary Atmospheres Research in the Solar System Exploration Division at NASA’s Goddard Space Flight Center.