What's that?
a star
Who's that?
an alien
What is he wearing?
He's wearing a spacesuit
What's his job?
He's an astronaut
What's that?
a UFO
What's that?
a planet
What's that?
a telescope
What's that?
a lunar vehicle
What's that?
a rocket
What's that?
an asteroid
What's that?
a shuttle
Who's that?
a robot