How long ago did the solar system form?

• 2.5 billion years ago

• 4.6 billion years ago

• 6 billion years ago

• 1 billion years ago

What is the primary process that stars use to produce heat and light?

• Chemical reaction

• Nuclear fission

• Gravitational collapse

• Nuclear fusion

Which of the following is NOT a terrestrial planet?

• Jupiter

• Earth

• Venus

• Mars

What is the largest planet in our solar system?

• Saturn

• Earth

• Jupiter

• Neptune

Which planet is known as the 'Red Planet'?

• Venus

• Mars

• Mercury

• Jupiter

What is the term for a small rocky object that orbits the Sun?

• Asteroid

• Planet

• Comet

• Meteoroid

What is the name of the region where most asteroids are found?

• Kuiper Belt

• Oort Cloud

• Meteor Shower

• Asteroid Belt

Which of the following is a characteristic of Jovian planets?

• Gas giants

• Solid surfaces

• Close proximity to the Sun

• Rocky surfaces

What is the primary composition of comets?

• Rock and metal

• Ice and dust

• Gas and plasma

• Liquid water

Which planet is known for its beautiful rings?

• Saturn

• Neptune

• Jupiter

• Uranus