Planetary System Quiz

What is the shape of planetary orbits around the Sun?

• Elliptical

• Hexagonal

• Circular

• Square

Which planet has the thickest atmosphere in our solar system?

• Jupiter

• Saturn

• Mars

• Venus

How many moons does Jupiter have?

• 12

• 63

• 45

• 79

What is the primary component of gas giants like Jupiter and Saturn?

• nitrogen

• hydrogen

• helium

• oxygen

Which spacecraft was the first to land on Mars?

• Spirit

• Opportunity

• Curiosity

• Viking 1

What process is responsible for the formation of planets from a protoplanetary disk?

• Sublimation

• Accretion

• Fusion

• Condensation

Which planet has the highest average surface temperature?

• Mars

• Venus

• Mercury

• Jupiter

How many planets are there in our solar system?

• 8

• 9

• 7

• 10

What are the rocky planets in our solar system composed of?

• Liquid elements

• Organic matter

• Ice and gas elements

• Rock and metal elements

Which planet was visited by the Voyager 2 spacecraft in 1986?

• Mars

• Saturn

• Uranus

• Neptune