Question

Saturn is the second largest planet in our solar system. It is a gas giant with an average radius of about nine times that of Earth. The atmosphere of Saturn is mainly composed of ______.

• A. Oxygen and nitrogen
• B. Helium and oxygen
• C. Hydrogen and helium
• D. Hydrogen and nitrogen.

Answer 1

Answer: (C)

Hydrogen and helium

• Saturn is a gas planet and has no solid surface. Saturn is approximately 75% hydrogen and 25% helium with traces of other substances like methane and water ice.
• The planet has a mass 95 times the mass of Earth and a radius 9 times the radius of Earth. It is most famous for its beautiful ring system. In addition to the rings, the planet has 62 known moons, the largest of which is Titan.