Synonyms of light-years

light-years

noun

plural of light-year

as in worlds

a huge physical or conceptual distance

my sister and I are close in age, but personality-wise, there are light-years between us

Synonyms & Similar Words

• worlds
• galaxies
• ways
• long hauls
• country miles
• infinities

Antonyms & Near Antonyms

• inches
• striking distances
• hairs
• hairbreadths
• stone's throws

Example Sentences

Recent Examples of light-years

This spectacular new image from the James Webb Space Telescope showcases the brilliant majesty of the Carina Nebula, a giant cloud of dust and gas found 7,500 light-years away in the constellation Carina. — Chelsea Gohd, Space.com, 7 Aug. 2026

Our Milky Way galaxy is very roughly 100,000 light-years across. — Phil Plait, Scientific American, 7 Aug. 2026

But, as with any franchise, some of these iterations are light-years better than others. — Chris Snellgrove, Entertainment Weekly, 7 Aug. 2026

Other star systems lie thousands and billions of light-years away, meaning that traveling the trans-Earth distance could take almost as long as the age of the universe itself. — Jeffrey Kluger, Time, 6 Aug. 2026

Visible only through radio telescopes, these enormous circular structures can span hundreds of thousands to more than a million light-years across. — Kaif Shaikh, Interesting Engineering, 6 Aug. 2026

But thanks to quick coordination efforts around the world, an international research team recently spotted a star’s shock breakout about 500 million light-years from Earth. — Andrew Paul, Popular Science, 5 Aug. 2026

The planet, known as LhS 1140 b, is about 49 light-years from Earth, or 300 trillion miles, said Collin Cherubim of Harvard University, lead author of the study reporting the discovery. — Robert Abitbol, USA Today, 25 July 2026

Later this week, the moon will pass close to Antares in the constellation Scorpius, a massive red supergiant star about 550 light-years from Earth. — Jamie Carter, Forbes.com, 20 July 2026