The Solar System

What is the purpose of the solar system?

What is the farthest planet in the solar system?

• Neptune

• Mercury

• Earth

• Venus

• Mars

What is the hottest planet in the solar system?

• Mercury

• Venus

• Earth

• Mars

Who proposed the theory that the Earth revolves around the Sun?

• Galileo Galilei

• Nicolaus Copernicus

• Isaac Newton

• Johannes Kepler

Who proved that the Sun is the center of the solar system?

• Nicolaus Copernicus

• Johannes Kepler

• Sir Isaac Newton

• All of the above

Is a meteoroid bigger or smaller than an asteroid?

• Bigger

• Smaller

What is the difference between a meteoroid, meteor, and meteorite?

What are the three main parts of a comet?

What was the first artificial satellite to orbit Earth, and who launched it?

What do satellites do?