How to Use light-year in a Sentence
light-year
noun-
It was thought that 16 million light-years was around the upper limit possible for these jets.
— New Atlas, 19 Sep. 2024 -
Formed when the universe was less than half its current age, the pair collectively spewed the energy equivalent of trillions of suns across 23 million light-years of space.
— Andrew Paul, Popular Science, 18 Sep. 2024 -
At 444 light-years away, the Pleiades is one of the closest star clusters to Earth.
— Samuel Sanders, Smithsonian Magazine, 5 July 2024 -
Of course, the hard part is trying to spot clear signs of life from more than 1,000 light-years away.
— WIRED, 2 Oct. 2023 -
The Beehive cluster is about 557 light-years away from Earth and is home to at least two planets.
— Laura Baisas, Popular Science, 31 May 2023 -
This stellar nursery is about 450 light-years away from Earth.
— Laura Baisas, Popular Science, 11 Apr. 2024 -
About 1,000 light-years away, a vast disk of gas and dust is offering astronomers a peek at how planets are born.
— Riley Black, Smithsonian Magazine, 10 June 2024 -
Vega, the brightest star in the constellation Lyra, is 25 light-years from Earth.
— Phil Plait, Scientific American, 14 July 2023 -
This one is 100 light-years away in the constellation Coma Berenices.
— CBS News, 30 Nov. 2023 -
The Whirlpool Galaxy lies about 27 million light-years away and contains hundreds of billions of stars.
— Dean Regas, The Enquirer, 8 Sep. 2023 -
These two galaxies are more than 2 million light-years away.
— Mike Lynch, Twin Cities, 21 Jan. 2024 -
This nebula is just about 1,000 light-years from Earth in the constellation Perseus.
— Samuel Sanders, Smithsonian Magazine, 13 Sep. 2024 -
What turned out to be hard for Venus will only be harder for exoplanets many light-years away.
— Elise Cutts, WIRED, 7 Apr. 2024 -
What turned out to be hard for Venus will only be harder for exoplanets many light-years away.
— Elise Cutts, Quanta Magazine, 19 Mar. 2024 -
About 57 light-years away, four planets orbit a sunlike star that is 10 billion years old — twice as old as the sun, and already in the advanced stages of its life.
— Quanta Magazine, 20 Dec. 2023 -
Over the next six years, the powerful space telescope will peer as far as ten billion light-years across the cosmos, constructing the largest 3D map of the universe to date.
— Christian Thorsberg, Smithsonian Magazine, 24 May 2024 -
Andria seemed to live light-years away from my Washington, D.C. apartment.
— Chris Klimek, Smithsonian Magazine, 30 Nov. 2023 -
The images show the surface of the star R. Doradus, a red giant star 180 light-years away in the Dorado constellation.
— Ashley Strickland, CNN, 11 Sep. 2024 -
Some voids span hundreds of millions of light-years, and together, these bubbles make up at least 80% of the universe’s volume.
— Lyndie Chiou, Quanta Magazine, 25 July 2023 -
The Pillars of Creation is a small region within the vast Eagle Nebula, which lies 6,500 light-years away.
— Alan Taylor, The Atlantic, 12 July 2023 -
Those include young star-forming regions and older star clusters as small as just 10 light-years across.
— Julia Musto, Fox News, 10 Aug. 2023 -
This is a massive, super-active star-forming region that spans more than 1,600 light-years.
— Eric Berger, Ars Technica, 25 Jan. 2024 -
John was light-years away from my stuffy East Coast upbringing and liberal-arts college friends.
— Meta Valentic, Los Angeles Times, 29 Dec. 2023 -
Some 3,800 light-years away from Earth, in the Southern Hemisphere constellation Norma, lies a massive cloud of gas and dust.
— Christian Thorsberg, Smithsonian Magazine, 18 Apr. 2024 -
The map, painted in infrared wavelengths, reveals new details in a stretch of our galactic home 500 light-years wide.
— Dennis Overbye, New York Times, 19 Apr. 2024 -
To reach us, a burst from outside the Milky Way must traverse millions or billions of light-years of the near-empty space between galaxies.
— Rahul Rao, Popular Science, 19 Oct. 2023 -
The second candidate is much farther away—about 3.2 billion light-years—and is earlier in the merging process.
— Meghan Bartels, Scientific American, 3 Mar. 2023 -
The gargantuan black hole, which is said to have the mass of 30 billion suns, is located at the center of a galaxy hundreds of millions of light-years from Earth.
— Ariana Garcia, Chron, 2 Apr. 2023 -
This feature measures about 20 light-years across, or more than six times the diameter of our Solar System.
— Eric Berger, Ars Technica, 16 Jan. 2024 -
At those distances, Hubble can resolve objects a few light-years across—tens of trillions of kilometers—at best.
— Phil Plait, Scientific American, 30 Aug. 2024
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'light-year.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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