Solar System Basics 1

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

• Over 100

• Over 500

• Over 1000

• Over 2000

Which planet is the smallest and closest to the sun?

• Earth

• Venus

• Mercury

• Mars

Tags

NGSS.MS-ESS1-3

Which planet is known for its extremely high temperatures due to an atmosphere of carbon dioxide?

• Mars

• Venus

• Jupiter

• Saturn

If all the planets of our solar system were lined up on the right side of the sun, what feature would be between Mars and Jupiter?

• Earth

• Comet belt
• Asteroid belt
• Saturn's rings

What are the gas giants in our solar system primarily made of?

• Ammonia and methane

• Helium and hydrogen

• Water and methane

• Rock and ice

What is the name of the vast, spherical collection of icy debris considered the edge of the solar system?

• Ceres

• Oort Cloud

• Kuiper Belt

• Asteroid Belt