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
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Even slow interstellar probes, traveling at just 1% of the speed of light, could reach us in about 10,000 years—an extremely short timescale in cosmic terms.
—
Rupendra Brahambhatt, Interesting Engineering, 3 May 2026
The new findings agree with previous observations that found a high abundance of carbon dioxide within the interstellar comet, also consistent with an object that formed in the outer part of a protoplanetary disk.
—Ashley Strickland, CNN Money, 1 May 2026
Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae – clouds of interstellar dust and gas – hundreds or thousands of light-years away, or in galaxies beyond the far reaches of the Milky Way.
—Olivia Harper Wilkins, The Conversation, 27 Apr. 2026
From private cities to interstellar colonies, tech billionaires like Elon Musk and Peter Thiel have backed experiments designed to operate beyond the borders — and laws — most of us live by.
—Ramtin Arablouei, NPR, 23 Apr. 2026
See All Example Sentences for interstellar
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Rupendra Brahambhatt, Interesting Engineering, 3 May 2026
The new findings agree with previous observations that found a high abundance of carbon dioxide within the interstellar comet, also consistent with an object that formed in the outer part of a protoplanetary disk.
—Ashley Strickland, CNN Money, 1 May 2026
Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae – clouds of interstellar dust and gas – hundreds or thousands of light-years away, or in galaxies beyond the far reaches of the Milky Way.
—Olivia Harper Wilkins, The Conversation, 27 Apr. 2026
From private cities to interstellar colonies, tech billionaires like Elon Musk and Peter Thiel have backed experiments designed to operate beyond the borders — and laws — most of us live by.
—Ramtin Arablouei, NPR, 23 Apr. 2026
See All Example Sentences for interstellar
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 5 May. 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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