Exploring Our Solar System

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

• Over 500

• About 100

• More than 1000

• Exactly 500

What is the primary composition of Terrestrial planets?

• Gas and ice

• Water and methane

• Helium and hydrogen

• Rocky material

Which planet has the shortest orbit in the solar system?

• Mercury

• Earth

• Venus

• Mars

Which planet is known as the hottest?

• Mercury

• Venus

• Earth

• Mars

What makes Earth capable of sustaining life?

• Its size

• Its rings

• Its water systems

• Its distance from the sun

What are the gas giants primarily made of?

• Carbon dioxide

• Rock and ice

• Water and ammonia

• Helium and hydrogen

Which planet is famous for rotating on its side?

• Uranus

• Jupiter

• Neptune

• Saturn

What lies between the orbits of Mars and Jupiter?

• The Oort Cloud

• The Kuiper Belt

• Pluto

• The asteroid belt

Where is the birthplace of many comets located?

• The Oort Cloud

• The Kuiper Belt

• Mars orbit

• The asteroid belt

What marks the edge of our solar system?

• The asteroid belt

• Neptune's orbit

• The Kuiper Belt

• The Oort Cloud