Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

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?