The one where planet Earth is located is called Milky Way
GALAXY
We can see this in the sky at night
THE MOON
When we look for things, we...
SEARCH
We may find this kind of life in space someday
ET / ALIEN / EXTRATERRESTRIAL
This is needed to send anything into space
A ROCKET
What's the name of the 'transport' astronauts use to go to space?
SPACECRAFT / SPACESHIP
This is where we live in
PLANET EARTH
Where the astronauts stay when they are in space
SPACE STATION
Planet Earth is part of this
SOLAR SYSTEM
We use our language to do this...
Communicate
This is a cloud of rock, ice and gas
A COMET
The way Earth moves around the sun
ORBIT
You can see this in the sky during daytime
THE SUN
We do this when we discuss about something
DEBATE
The person who travels into space is called an...
ASTRONAUT