Solar System Quiz

How many known solar systems are there in the Milky Way galaxy?

• Over 100

• Over 200

• Over 1000

• Over 500

What is the primary composition of Terrestrial planets?

• Hydrogen and helium

• Rocky material

• Methane and ammonia

• Gas and ice

Which planet is the hottest in the solar system?

• Mars

• Venus

• Mercury

• Earth

Which planet is known for having a watery surface and moist atmosphere about 3.7 billion years ago?

• Earth

• Venus

• Mars

• Mercury

What are the gas giants primarily made of?

• Rock and ice

• Water and methane

• Helium and hydrogen

• Ammonia and methane

Which planet is the largest in the solar system?

• Saturn

• Jupiter

• Uranus

• Neptune

Which planet is famous for rotating on its side?

• Uranus

• Saturn

• Neptune

• Jupiter

What is the largest known object in the asteroid belt?

• Pluto

• Haumea

• Eris

• Ceres

Where is the Kuiper Belt located?

• Between Mars and Jupiter

• Beyond the Oort Cloud

• Beyond Neptune

• Between Earth and Mars

What marks the edge of the solar system?

• Oort Cloud

• Kuiper Belt

• Neptune's orbit

• Asteroid Belt