| Term | Definition |
| (n) astronaut | a person who works in space and flies a spaceship |
| (n) docking stations | places where spaceships join up to a space station |
| (n) gravity | a special force that pulls things down towards the Earth |
| (n) modules | pieces of a space station that have been made on Earth to be joined up with each other in space |
| (n) orbit | the path one body/object takes around another |
| (n) scientists | people who find out how things work and do experiments to test their ideas |
| (n) launch pads | the area where rockets or spacecrafts lift off |
| (n) space station | artificial (man-made) structure designed for humans to live in outer space |
| (adj) international | belonging to or involving many different countries |