as in celestial
existing or occurring between stars
the vastness of interstellar space
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Recent Examples of interstellar
The next several thousand years will see the nebula disperse, according to NASA, as radiation pouring out from the central dying star pushes the material ever outward into interstellar space.
—
Anthony Wood, Space.com, 2 June 2025
But the Voyager mission team left the others turned on to collect data about the heliosphere, as well as interstellar space.
—Ashley Strickland, CNN, 5 Mar. 2025
Within 23 hours, the signals will be as far from Earth as NASA’s Voyager 1, the world’s most distant spacecraft at more than 15 billion miles in interstellar space.
—Marcia Dunn, Los Angeles Times, 27 May 2025
Using radio observations of ammonia, a molecule abundant in interstellar space and familiar on Earth as a common cleaning agent, astronomers mapped the rotating disk of gas and dust swirling around HW2.
—Sharmila Kuthunur, Space.com, 16 May 2025
See All Example Sentences for interstellar
Anthony Wood, Space.com, 2 June 2025
But the Voyager mission team left the others turned on to collect data about the heliosphere, as well as interstellar space.
—Ashley Strickland, CNN, 5 Mar. 2025
Within 23 hours, the signals will be as far from Earth as NASA’s Voyager 1, the world’s most distant spacecraft at more than 15 billion miles in interstellar space.
—Marcia Dunn, Los Angeles Times, 27 May 2025
Using radio observations of ammonia, a molecule abundant in interstellar space and familiar on Earth as a common cleaning agent, astronomers mapped the rotating disk of gas and dust swirling around HW2.
—Sharmila Kuthunur, Space.com, 16 May 2025
See All Example Sentences for interstellar
Recent Examples of Synonyms for interstellar
Adjective
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Yet these same conditions—distance from anthropogenic light sources, a mountainous altitude above the cloud line, a crisp desert atmosphere—provide the baselines for Rubin to access the faintest of faint celestial objects.—
Michael Jones McKean,
The Atlantic,
23 June 2025
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Related article Largest celestial object of its kind detected in the distant universe The new images represent just over 10 hours of test observations, offering a brief preview of the observatory’s decade-long mission to explore the mysteries of the universe like never before.—
Ashley Strickland,
CNN Money,
23 June 2025
Adjective
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Pixar Animation Studios’ new intergalactic adventure film Elio is now playing in theaters everywhere.—
Monica Mercuri,
Forbes.com,
21 June 2025
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The filaments will eventually mix within the intergalactic medium of gas and dust in Abell 2255.—
Robert Lea,
Space.com,
20 June 2025
Adjective
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In 2025 The beginning of astronomical seasons is marked by solstices and equinoxes (equinox means equal night when there are 12 hours of daylight and 12 hours of darkness).—
Jamie Carter,
Forbes.com,
20 June 2025
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Summer Solstice – the start of the astronomical summer – is tonight at 10:42pm EDT.—
Alana Wise,
NPR,
20 June 2025
Adjective
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Capping off a stellar match between two of WWE’s most beloved babyfaces, Rhodes was able to capitalize on Orton’s own decision to expose a turnbuckle to earn himself a WWE Championship match at SummerSlam in August.—
Blake Oestriecher,
Forbes.com,
28 June 2025
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The longest Prime Day ever is around the corner — but Amazon is giving us a preview of the stellar discounts to come.—
Isabel Garcia,
People.com,
28 June 2025
Adjective
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In the elders’ telling, a single ray of heavenly light shone down while the villagers cried with joy.—
Pete McKenzie,
Harpers Magazine,
18 June 2025
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Basically a man who had built a solid reputation as a career university president naively entered the Church of Florida Autocracy, donned sackcloth and ashes and prostrated himself … ultimately for no heavenly reward whatsoever.—
Ron Cunningham,
The Orlando Sentinel,
8 June 2025
Cite this Entry
“Interstellar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/interstellar. Accessed 1 Jul. 2025.
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