light-year

Definition of light-yearnext
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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of light-year These shards travel billions of light-years across the universe and slam into Earth’s atmosphere. Quanta Magazine, 6 May 2026 What’s intriguing though is that these galaxies are over 50 million light-years away. Mike Lynch, Twin Cities, 3 May 2026 The nearest star system, Alpha Centauri, lies about 4.37 light-years away. New Atlas, 29 Apr. 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 See All Example Sentences for light-year
Recent Examples of Synonyms for light-year
Noun
  • Baker still admires much of the tech world.
    Literary Hub, Literary Hub, 21 May 2026
  • And the 24 world doubles the difference.
    Joe Rexrode, New York Times, 21 May 2026
Noun
  • One especially striking image features the galaxy rising above a sea of clouds in La Palma, creating an almost surreal scene.
    Jamie Carter, Forbes.com, 17 May 2026
  • The small crew on board, armed with miniaturising technology of extraordinary sophistication, is on a mission to drain Earth’s water supply and sell it across the galaxy for profit.
    Naman Ramachandran, Variety, 16 May 2026

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Cite this Entry

“Light-year.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/light-year. Accessed 22 May. 2026.

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