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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.

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

From The Wall Street Journal • Mar. 30, 2026

Analyzing samples retrieved from the asteroid Ryugu by the Japanese Space Agency's Hayabusa2 spacecraft has revealed new insights into the magnetic and physical bombardment environment of interplanetary space.

From Science Daily • Apr. 29, 2024

"Unlike the wind on Earth that circulates the globe, solar wind is ejected outward into interplanetary space," Chitta said.

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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