as in world
a huge physical or conceptual distance
my sister and I are close in age, but personality-wise, there are light-years between us
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Recent Examples of light-year
This wreckage has a ring-like structure that is around 26 light-years in diameter — that's wide enough to fit the entire solar system across it about nine times!
—
Robert Lea, Space.com, 25 Apr. 2025
Also known as the Southern Pinwheel, M83 is 15 million light-years away from Earth and was discovered back in 1752.
—Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025
What’s your reaction to the news of potential signs of life on a massive planet light-years away?
—Jeremy Engle, New York Times, 25 Apr. 2025
Located 140 light-years away from Earth, the planet, named BD+05 4868 Ab, has approximately the same mass as Mercury—but its orbit around its host star is around 20 times closer than Mercury’s path around our sun.
—Margherita Bassi, Smithsonian Magazine, 24 Apr. 2025
See All Example Sentences for light-year
Robert Lea, Space.com, 25 Apr. 2025
Also known as the Southern Pinwheel, M83 is 15 million light-years away from Earth and was discovered back in 1752.
—Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025
What’s your reaction to the news of potential signs of life on a massive planet light-years away?
—Jeremy Engle, New York Times, 25 Apr. 2025
Located 140 light-years away from Earth, the planet, named BD+05 4868 Ab, has approximately the same mass as Mercury—but its orbit around its host star is around 20 times closer than Mercury’s path around our sun.
—Margherita Bassi, Smithsonian Magazine, 24 Apr. 2025
See All Example Sentences for light-year
Recent Examples of Synonyms for light-year
Noun
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In that world, Spurs look organised, ruthless, unified and clinical.—
Jack Pitt-Brooke,
New York Times,
10 May 2025
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While the Strip is still the largest American gaming market, the rapid growth of the sports betting and online gambling world poses a potential threat to Las Vegas.—
Center Square,
The Washington Examiner,
10 May 2025
Noun
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Andor series finale In a galaxy far, far away, does any star shine brighter than Cassian Andor (Diego Luna)?—
Savannah Salazar,
Vulture,
12 May 2025
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Related Stories: — 'Galaxy Zoo' project needs your help classifying tens of thousands of galaxies — James Webb Space Telescope (JWST) — A complete guide — What is a galaxy?—
Samantha Mathewson,
Space.com,
11 May 2025
Cite this Entry
“Light-year.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/light-year. Accessed 22 May. 2025.
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