It's not quite accurate to call the Great Red Spot on Jupiter a "cyclone" in the way we understand them on Earth. While it is a storm with a swirling, rotating pattern, it's far more massive and complex than any earthly cyclone.

Here's how to think about its size:

* Diameter: The Great Red Spot is roughly 16,000 kilometers (10,000 miles) across. That's about 1.3 times the diameter of Earth!

* Depth: The storm extends deep into Jupiter's atmosphere, perhaps hundreds of kilometers.

* Duration: The Great Red Spot has been observed for over 400 years, making it one of the longest-lasting storms known in our solar system.

So, while it's not exactly a "cyclone" in the traditional sense, the Great Red Spot is an incredibly massive and long-lasting storm system that dwarfs anything we see on Earth.