interstellar
adjective
in·ter·stel·lar
ˌin-tər-ˈste-lər 
: located, taking place, or traveling among the stars especially of the Milky Way galaxy
Examples of interstellar in a Sentence
Recent Examples on the Web
Scientists got the best evidence yet for past life on Mars, discovered an interstellar comet zooming through our solar system, found clues of possible nearby exoplanets, and much more.
—
Keith Cooper, Space.com, 28 Dec. 2025
Unlike comets bound to the sun's gravity, 3I/ATLAS is traveling on a hyperbolic orbit that eventually will carry it out of the solar system and back into interstellar space.
—Eric Lagatta, AZCentral.com, 19 Dec. 2025
New images from the Hubble telescope capture an interstellar comet traveling at 137,000 miles per hour from another star system to make a close(ish) approach toward Earth.
—Yasmin Vossoughian, NBC news, 9 Dec. 2025
The rest of the Juice data from the comet’s flyby, expected between February 18 and 20, should include images from the spacecraft’s high-resolution optical camera, as well as composition and particle data that could provide more clues about where the interstellar object originated.
—Ashley Strickland, CNN Money, 8 Dec. 2025
See All Example Sentences for interstellar
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Keith Cooper, Space.com, 28 Dec. 2025
Unlike comets bound to the sun's gravity, 3I/ATLAS is traveling on a hyperbolic orbit that eventually will carry it out of the solar system and back into interstellar space.
—Eric Lagatta, AZCentral.com, 19 Dec. 2025
New images from the Hubble telescope capture an interstellar comet traveling at 137,000 miles per hour from another star system to make a close(ish) approach toward Earth.
—Yasmin Vossoughian, NBC news, 9 Dec. 2025
The rest of the Juice data from the comet’s flyby, expected between February 18 and 20, should include images from the spacecraft’s high-resolution optical camera, as well as composition and particle data that could provide more clues about where the interstellar object originated.
—Ashley Strickland, CNN Money, 8 Dec. 2025
See All Example Sentences for interstellar
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 7 Jan. 2026.
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interstellar
adjective
in·ter·stel·lar
ˌint-ər-ˈstel-ər
: located or taking place among the stars
interstellar space
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