Our Solar System and Galaxy Facts

Which planet is known as the 'Red Planet'?

• Venus

• Saturn

• Mars

• Jupiter

What is the largest planet in our solar system?

• Mars

• Jupiter

• Saturn

• Neptune

What is the smallest planet in our solar system?

• Jupiter

• Earth

• Mercury

• Venus

What is the name of the theory that suggests the universe originated from a single point?

• Quantum Theory

• Big Bang Theory

• Steady State Theory

• String Theory

How old is the universe according to the Big Bang Theory?

• 10.5 billion years

• 20.3 billion years

• 15.2 billion years

• 13.8 billion years

Which planet is closest to the Sun?

• Saturn

• Earth

• Mercury

• Venus

What is the name of the galaxy that contains our solar system?

• Andromeda

• Orion

• Milky Way

• Pegasus

Which planet has the most moons in our solar system?

• Saturn

• Mars

• Uranus

• Jupiter

What is the name of the force that keeps planets in orbit around the Sun?

• gravity

• friction

• centrifugal force

• magnetism

What is the name of the theory that explains the formation of our solar system?

• String Theory

• Big Bang Theory

• Geocentric Model

• Nebular Hypothesis