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Showing results for interstellar space. Search instead for Interstellar+Space.
Synonyms

interstellar space

American  
[in-ter-stel-er spays] / ˌɪn tərˈstɛl ər ˈspeɪs /

noun

  1. Astronomy. the region of outer space between stars, especially within a galaxy such as the Milky Way.


interstellar space Scientific  
  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.

Scientists say the new results place tighter limits on existing models of particle acceleration in astrophysical sources and improve our understanding of how high-energy particles move through interstellar space.

From Science Daily • May 14, 2026

“It’s quite reasonable to assume that since humanity has sent spacecraft into interstellar space, other civilizations might do the same thing,” Croft says.

From The Wall Street Journal • Apr. 23, 2026

If you were starting today, going to the moon or anywhere beyond, and especially into interstellar space, would be a job for robots and, often, exclusively robots.

From The Wall Street Journal • Feb. 10, 2026

The results help explain the many different ways planets can be knocked out of their original systems and sent drifting through interstellar space.

From Science Daily • Jan. 4, 2026

The most perfect vacuum ever created by humans is not as empty as the emptiness of interstellar space.

From "A Short History of Nearly Everything" by Bill Bryson

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