What's out there

What is space junk?

Why is space junk dangerous?

Match the following

• footprint

• 
• Ground

• 
• Land

• 
• galaxy

• 
• meteorite

• 

Match the following

• dream

• 
• satelite

• 
• star

• 
• Solar System

• 
• asteroid

• 

How many times can the astronauts see the sunset in a day?

• 17

• 70

How many minutes for the space station to go around the Earth?