Astronomy
Properties of Jupiter's Great Red Spot Storm
Quick fact
The Great Red Spot is about 1.3 times the diameter of Earth and has wind speeds exceeding 400 miles per hour (640 km/h) at its edges.
Why this is interesting
Imagine a storm larger than Earth, raging for centuries without weakening—that's Jupiter's Great Red Spot. What makes this swirling crimson vortex so incredibly stable?