Hot Jupiters and Their Weather

What distinguishes 'hot Jupiters' from the giant planets in our solar system?

• They orbit much closer to their parent stars.

• They are smaller in size.

• They have rings like Saturn.

• They are made mostly of rock.

How do scientists create weather maps of hot Jupiters?

• By measuring the infrared brightness as a function of the planet's phase.

• By taking direct photographs of the planets.

• By observing the planets through visible light telescopes.

• By sending probes to the planets.

What is a significant challenge in observing hot Jupiters?

• The glare from their parent stars makes them difficult to observe.

• They are often hidden behind their parent stars.

• Their small size makes them hard to detect.

• They move too quickly to be tracked.

What is a possible composition of clouds on hot Jupiters?

• Water and methane clouds.

• Ammonia clouds.

• Carbon dioxide clouds.

• Silicate or 'rock' clouds.

What might happen to the Great Red Spot on a hot Jupiter?

• It would disappear completely.

• It would shrink to a smaller size.

• It might grow as large as a quarter of the planet and appear in both hemispheres.

• It would change color to blue.