exoplanet

noun

exo·​plan·​et ˈek-sō-ˌpla-nət 

ˌek-sō-ˈpla-

: a planet orbiting a star that is not our sun

Examples of exoplanet in a Sentence

Recent Examples on the Web

The latter scope which includes the instruments HARPS (High Accuracy Radial velocity Planet Searcher) and NIRPS (Near Infra Red Planet Searcher), which astronomers use to find and study exoplanets — worlds outside of our solar system. — Chelsea Gohd, Space.com, 9 Oct. 2026

Cosmic death The unnamed exoplanet was discovered circling the white dwarf HS 0209+0832, according to a study published in the journal Nature Astronomy. — Devika Rao, TheWeek, 9 Oct. 2026

The scientists used data from NASA’s exoplanet-hunting satellite Kepler, which searched for exoplanets via very precise, high-cadence brightness measurements of hundreds of thousands of stars. — Phil Plait, Scientific American, 9 Oct. 2026

Magnetic fields have implications for the structure of exoplanets and their atmospheres, according to Berger. — Jacopo Prisco, CNN Money, 2 Oct. 2026

Word History

First Known Use

1992, in the meaning defined above

Rhymes for exoplanet

• pomegranate
• gannet
• granite
• planet
• intranet