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| English | Greek |
| space debris | διαστημικό απόβλητο |
| space debris | διαστημικά υπολείμματα απορρίμματα |
| space debris | αστρικά σκουπίδια |
| space policy A course of action adopted and pursued by government or some other organization, which seeks to support research and the exploration of planets, asteroids and other elements in the region beyond earth's atmosphere or beyond the solar system | διαστημική πολιτική |
| space research | έρευνα του διαστήματος |
| space research Research involving studies of all aspects of environmental conditions beyond the atmosphere of the earth | έρευνα του διαστήματος |
| space transportation Transportation by means of vehicles designed to operate in free space outside the earth's atmosphere | διαστημική μεταφορά |
| space travel Travel in the space beyond the earth's atmosphere performed for scientific research purposes | διαστημικό ταξίδι |
| space utilisation | αξιοποίηση του διαστήματος |
| space waste Nonfunctional debris of human origin left in a multitude of orbits about the earth as the result of the exploration and use of the environment lying outside the earth's atmosphere | διαστημικά απόβλητα |
| vegetation monitoring space-borne instrument | όργανο για την παρακολούθηση της βλάστησης από το διάστημα |