Conversation so far:
what is the big red dot on jupiter
The Great Red Spot is a giant, spinning storm in Jupiter's atmosphere. It is like a hurricane on Earth, but it is much larger.
How big is the Great Red Spot in Jupiter
Jupiter's Great Red Spot is more than twice the size of Earth.

Question: What is known about the spot
Self-contained rewrite: What is known about the Great Red Spot in Jupiter