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

Located about 140 light-years away, this rocky world orbits so close to its host star that its surface is believed to be molten. — Kaif Shaikh, Interesting Engineering, 2 Aug. 2026

Biosignatures are possible signs of biology on other planets, whereas technosignatures are clues to the presence of advanced technology that might be detectable across light-years. — Keith Cooper, Space.com, 27 July 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

Such are the strange semantic questions raised by studies of CD-35 2722 B, a brown dwarf with about 30 times the mass of Jupiter that’s orbiting a small star that is some 73 light-years from Earth in the system CD-35 2722. — Adam Kovac, Scientific American, 22 July 2026

But one stellar system about 72 light-years from Earth isn’t quite like anything else researchers have ever seen. — Andrew Paul, Popular Science, 22 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

But a study in Wednesday’s issue of Nature describes observations of helium being lost from the atmosphere of an exoplanet orbiting the star LHS 1140, about 50 light-years away. — John Timmer, ArsTechnica, 16 July 2026

Rubin released its first images last year, including colorful shots of the Trifid and Lagoon nebulas located thousands of light-years from Earth. — Adithi Ramakrishnan, Los Angeles Times, 7 July 2026