What's this?
Star
What's this?
Telescope
What's this?
Moon
What's this?
Alien
What's this?
Rocket
What's this?
Space shuttle
What's this?
Astronaut
What's this?
Satellite
What's this?
Crater
What's this?
Earth
What's this?
Meteorite
What's this?
Space station
Name the second planet of the Solar System
Venus
Name the closest planet to the Sun
Mercury
Name the planet
Earth
Name the Red Planet
Mars
