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interplanetary space

American  
[in-ter-plan-i-ter-ee spays] / ˌɪn tərˈplæn ɪˌtɛr i ˈspeɪs /

noun

  1. Astronomy. the space between planets.


interplanetary space Scientific  
/ ĭn′tər-plănĭ-tĕr′ē /
  1. See under space


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Previous computer simulations and analyses of meteorites found on Earth have shown that organic material can survive both ejection from a planet and the trip through interplanetary space.

From Science Daily Jun. 26, 2026

Meanwhile, an interplanetary space race between the U.S.,

From The Wall Street Journal Mar. 30, 2026

This relentless high-speed flow of charged particles from the sun fills interplanetary space.

From Reuters Aug. 24, 2023

Solar sails have, of course, been built and successfully launched on proof-of-concept missions in both interplanetary space and low-Earth orbit.

From Scientific American Aug. 23, 2022

Newton noted that the matter in the tails of comets is dissipated in interplanetary space, lost to the comet and little by little attracted gravitationally to nearby planets.

From "Cosmos" by Carl Sagan

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