Astronomy Basics

A person who explores space

• Astronomer

• Astrologer

• Astronaut

The root 'astro' means

• stars

• outer space

• water

A person who studies the stars, planets and other objects in space

• Astronomer

• Astrologer

• Astronaut

A huge object in space that gives off heat & light

• Planet

• Star

• Moon

The path of an object as it moves around another object

• Gravity

• Orbit

• Rotation

The planet closest to the sun

• Venus

• Mars

• Mercury

Which planet is smallest in volume?

• Mercury

• Venus

• Mars

Place these planets in order beginning with closest to the sun

• Mars

• Venus

• Jupiter

• Mercury

• Earth

How many moons does Earth have?

• 2

• 1

• 0

Which planet is largest in volume?

• Earth

• Jupiter

• Saturn