The ______ we live in is called the Milky Way.
Galaxy
The circular journey that a spacecraft or planet makes around the sun, moon or other planet
Orbit
We live on _____ Earth
Planet
Someone who goes to space
Astronaut
A vehicle used for travelling in space
Spacecraft
A substance like air.
Gas
No return trip
One way trip
To make a journey
Travel
The physical universe beyond the earth's atmosphere
Space
The air that surrounds a planet
Atmosphere
The collection of eight planets and their moons around the sun.
Solar System