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Interstellar vs Interplanetary - What's the difference?

interstellar | interplanetary |

As adjectives the difference between interstellar and interplanetary

is that interstellar is between the stars while interplanetary is existing or occurring between planets.

interstellar

English

Adjective

(-)
  • between the stars
    • It can take centuries for light to travel interstellar distances.
  • among the stars
    • Space is littered with interstellar particles.

    Synonyms

    *

    interplanetary

    English

    Adjective

    (-)
  • Existing or occurring between planets
    • Humans are just beginning to explore interplanetary travel.