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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 already account for many of the effects that occur as radio waves cross interstellar space.

From Science Daily • Jun. 16, 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

As the radio waves cross interstellar space, however, they do not travel unimpeded.

From Science Daily • Jan. 6, 2026

Chemical reactions like those in our laboratory vessels may be responsible for the organic matter in interstellar space and the amino acids found in meteorites.

From "Cosmos" by Carl Sagan

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