as in celestial
existing or occurring between stars
the vastness of interstellar space
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Recent Examples of interstellar
Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into when and where the celestial object formed.
—
Ashley Strickland, CNN Money, 1 May 2026
Perhaps one of the most exciting nondiscoveries in astrochemistry was that of glycine in interstellar space more than 20 years ago.
—Olivia Harper Wilkins, The Conversation, 27 Apr. 2026
In 2012, Voyager 1 became the first spacecraft to reach interstellar space, followed in 2018 by Voyager 2, according to NASA.
—Eric Lagatta, USA Today, 21 Apr. 2026
The most distant major planet from the sun and the last stop before interstellar space, Neptune is only dimly illuminated by our star, receiving just 0.1 percent as much light as Earth does.
—Phil Plait, Scientific American, 17 Apr. 2026
See All Example Sentences for interstellar
Ashley Strickland, CNN Money, 1 May 2026
Perhaps one of the most exciting nondiscoveries in astrochemistry was that of glycine in interstellar space more than 20 years ago.
—Olivia Harper Wilkins, The Conversation, 27 Apr. 2026
In 2012, Voyager 1 became the first spacecraft to reach interstellar space, followed in 2018 by Voyager 2, according to NASA.
—Eric Lagatta, USA Today, 21 Apr. 2026
The most distant major planet from the sun and the last stop before interstellar space, Neptune is only dimly illuminated by our star, receiving just 0.1 percent as much light as Earth does.
—Phil Plait, Scientific American, 17 Apr. 2026
See All Example Sentences for interstellar
Recent Examples of Synonyms for interstellar
Adjective
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Your celestial ruler, Venus, is dazzling your 10th house of publicity, ambitions and relationships connected to your legacy and reputation.—
Valerie Mesa,
PEOPLE,
18 May 2026
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In reality, including solar gravity would likely reveal even cheaper paths, but only during certain time windows when celestial alignments are favorable.—
Rupendra Brahambhatt,
Interesting Engineering,
17 May 2026
Adjective
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Irrigation systems may require a truly astronomical amount of water.—
Caroline Rose Giuliani,
New Yorker,
19 May 2026
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The asteroid was discovered on May 10 by astronomers with the Mount Lemmon Survey, an astronomical project based in Arizona’s Santa Catalina Mountains.—
Denise Chow,
NBC news,
18 May 2026
Adjective
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Using the laws of gravity, the team calculated how much mass must be present to keep gas moving at that speed from flying off into intergalactic space.—
Jacek Krywko,
ArsTechnica,
13 May 2026
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The series follows a man and his ex-girlfriend’s cat, Donut, who survive an alien invasion and must participate in a video game-like dungeon reality television show with intergalactic viewership.—
Clare Mulroy,
USA Today,
10 May 2026
Adjective
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Well, Brown needed a few more pitches this time, but the 26-year-old delivered a stellar performance to help the Cubs avoid getting swept at Truist Park.—
Meghan Montemurro,
Chicago Tribune,
15 May 2026
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For Birmingham, that means discovering what Alabama’s second-largest city really offers—especially its quietly stellar food scene that’s been racking up James Beard nominations.—
AFAR Media,
AFAR Media,
15 May 2026
Adjective
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My Costa Rican Hammam Experience included a vigorous scrub-down on a marble slab in the steamy hammam that used a Costa Rican coffee bean exfoliator for a local twist, followed by a heavenly massage.—
Condé Nast,
Condé Nast Traveler,
16 May 2026
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Harnessing the period drama expertise of Banijay’s Diagonal and its key crew, the crossover of historical thriller and arthouse social point film, tense at times and gorgeously shot, played off the heavenly mountains and a historical hell.—
John Hopewell,
Variety,
13 May 2026
Cite this Entry
“Interstellar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/interstellar. Accessed 21 May. 2026.
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