Situated or traveling between planets: interplanetary missions
More example sentences
- Fragments of asteroids and comets pervade interplanetary space.
- Orion was originally designed as an interplanetary spacecraft for missions to the Moon or Mars, but the design was adapted for interstellar travel.
- Its principal responsibilities are to support interplanetary spacecraft missions and radio and radar astronomy observations.
Definition of interplanetary in:
- The British & World English dictionary