Astronomy
Properties of Jupiter's Great Red Spot Storm
Quick fact
At its current size, the Great Red Spot is roughly as wide as one and a half Earths, yet it is a single storm that has raged for at least 150 years—and likely much longer—making it the largest known storm in the solar system.
Why this is interesting
You have probably seen Jupiter's Great Red Spot in photos, but have you ever wondered why a storm there is bigger than Earth and has lasted for centuries? What keeps that gigantic oval spinning?