An occasion when you travel from one place to another.
Journey
Scientists do experiments in this place.
Labs
These people travel into space.
Astronauts
These people work on a ship, plane or spacecraft.
Crew
This vehicle travels into space.
Spacecraft
The regular elliptical path of an object in space around a planet or a star.
Orbit
An occasion when astronauts leave their vehicle in space.
Spacewalk
This natural satellite moves around the Earth.
Moon
