What are those?
planets
What is it?
a satellite
What are those?
Stars
What is it?
space
What is it?
a spaceship
What is it?
an alien
What is it?
the Earth
What is it?
a comet
What is it?
a rocket
What is it?
the sky
What is it?
the Solar System
What is it?
an asteroid
What is it?
the Moon
What is it?
a galaxy