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Showing results for interplanetary space. Search instead for interplanetary medium.
Synonyms

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:

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

From The Wall Street Journal Mar. 30, 2026

Later, during the 10 month journey to Mars, the spacecraft will continue studying the solar wind and the magnetic conditions of interplanetary space.

From Science Daily Mar. 14, 2026

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

From Reuters Aug. 24, 2023

Nearly two dozen spacecraft destined for Mars have failed in their efforts, some on the launch pad, some in interplanetary space, and some on the Martian surface.

From Slate Apr. 19, 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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