What's this?
rocket
What's this?
solar system
What's this?
comet
What's this?
Moon
What's this?
Earth
What's this?
space station
What's this?
Sun
What's this?
a million
What's this?
satellite
What's this?
a thousand
What's this?
star
What's this?
fifty thousand
What's this?
a hundred
What's this?
one hundred thousand
What's this?
telescope
What's this?
ten thousand
What's this?
five thousand
What's this?
five hundred
What's this?
spacesuit
What's this?
planet