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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The physical limitations of modern spacecraft pose significant challenges for reaching interstellar space in a human lifetime, especially with limited room onboard for carrying propellant or batteries.
—
Victoria Corless, Space.com, 22 Jan. 2025
Voyager 1 left the heliosphere and reached interstellar space in August 2012 and is 15.5 billion miles away, and Voyager 2 − traveling slower and in a different direction − did the same in November 2018 and is now roughly 13 billion miles from Earth.
—Stephen J. Beard, USA TODAY, 9 Jan. 2025
Unlike fainter interstellar sights such as the northern lights, the brightest planets are visible even in light-polluted cities.
—Stephanie Vermillion, Outside Online, 15 Jan. 2025
To date, scientists have detected more than 200 kinds of organic molecules in interstellar space.
—Elise Cutts, WIRED, 22 Dec. 2024
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Victoria Corless, Space.com, 22 Jan. 2025
Voyager 1 left the heliosphere and reached interstellar space in August 2012 and is 15.5 billion miles away, and Voyager 2 − traveling slower and in a different direction − did the same in November 2018 and is now roughly 13 billion miles from Earth.
—Stephen J. Beard, USA TODAY, 9 Jan. 2025
Unlike fainter interstellar sights such as the northern lights, the brightest planets are visible even in light-polluted cities.
—Stephanie Vermillion, Outside Online, 15 Jan. 2025
To date, scientists have detected more than 200 kinds of organic molecules in interstellar space.
—Elise Cutts, WIRED, 22 Dec. 2024
See all Example Sentences for interstellar
Dictionary Entries Near interstellar
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 19 Feb. 2025.
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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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