- of or relating to or characteristic of the planet Earth or its inhabitants
"planetary rumblings and eructations"
"the planetary tilt"
- of or relating to or resembling the physical or orbital characteristics of a planet or the planets
- What effects would planetary alignment have?
- This relation between the Sun and planetary motion is not an odd and inexplicable coincidence.
- Time was running out for the Earthlings as their planetary environment was in decay. Space travel became a necessity.