I WONDER - What Are Gas Giants?

Gas giants are planets without solid surfaces, mainly composed of gases like hydrogen and helium. Our solar system's gas giants include Jupiter, Saturn, Uranus, and Neptune. Jupiter is the largest, with a mass over 300 times that of Earth, and can contain all other planets combined. Its atmosphere features bands and the Great Red Spot, a massive storm persisting for over 300 years. Jupiter also has faint rings and more than 75 moons, including Europa, which may harbor an ocean beneath its icy crust.

Which of the following is NOT a gas giant in our solar system?

• Jupiter

• Saturn

• Neptune

• Mars

How does Jupiter's mass compare to Earth's?

• It is about 100 times more massive.

• It is about 500 times more massive.

• It is about 700 times more massive.

• It is about 300 times more massive.

What is the Great Red Spot on Jupiter?

• A large mountain

• A deep crater

• A massive ocean

• A giant storm

How long has the Great Red Spot been active?

• Over 100 years

• Over 400 years

• Over 300 years

• Over 200 years

What is unique about Jupiter's moon Europa?

• It has a thick atmosphere.

• It has active volcanoes.

• It may have an ocean beneath its ice.

• It is the largest moon in the solar system.