Space 5th

A sphere of hot gases that gives off its own light and heat. 

• star
• planet
• asteroid
• moon

A large group of stars, dust, and gases held together by gravity. 

• star
• galaxy
• asteroid
• planet

The galaxy in which our sun belongs to, shaped like a spiral. 

• Milky Way Galaxy
• light-year
• star
• comet

The distance light travels in one year; 300,000 kilometers per second. 

• light-year
• Milky Way Galaxy
• meteor
• outer planet

This is made up of our sun, our planets, and all the other objects that orbit around it. 

• solar system
• inner planets
• outer planets
• moon

This is a large body with a spherical or ball-like shape that orbits a star. 

• planet
• axis
• solar system
• sun

One complete turn of one object around another object; such as Earth's movement around the sun. 

• revolution
• rotation
• inner planet
• solar system 

The imaginary line running through the North Pole to the South Pole on a planet. 

• axis
• moon
• rotate
• revolve

The spinning of a planet on its axis. 

• rotation
• revolution
• axis
• moon

The following planets- Mercury, Venus, Earth, and Mars. 

• Inner Planets
• Outer Planets
• asteroid
• solar system