What's this?
Asteroid
What's this?
Black hole
What's this?
The Earth
What's this?
Galaxy
What's this?
the Moon
What's this?
Planet
What's this?
Rocket ship
What's this?
Satellite
What's this?
the Sun
What's this?
Space
What's this?
Mars
What's this?
Pluto
What's this?
Solar System
What's this?
Star
