Exploring Our Solar System

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

• About 100

• Exactly 500

• More than 1000

• Over 500

What is the primary composition of Terrestrial planets?

• Gas and helium

• Ice and methane

• Hydrogen and ammonia

• Rocky material

Which planet has the shortest orbit around the sun?

• Venus

• Earth

• Mars

• Mercury

Which planet is known as the hottest?

• Venus

• Earth

• Mercury

• Mars

What makes Earth capable of sustaining life?

• Its water systems

• Its distance from the sun

• Its size

• Its atmosphere

What are the Jovian planets primarily made of?

• Helium and hydrogen

• Carbon dioxide

• Rock and ice

• Water and methane

Which planet is famous for rotating on its side?

• Jupiter

• Neptune

• Uranus

• Saturn

What lies between the orbits of Mars and Jupiter?

• The Van Allen Belt

• The Asteroid Belt

• The Oort Cloud

• The Kuiper Belt

Where is the birthplace of many comets located?

• The Asteroid Belt

• The Kuiper Belt

• Mars' orbit

• The Oort Cloud

What defines the edge of our solar system?

• Neptune's orbit

• The Oort Cloud

• Pluto's orbit

• The Kuiper Belt