1. planets that orbit stars outside our solar system
Usage: plural form; also called extrasolar planets; commonly used in astronomy and space science

Examples

• Astronomers have discovered thousands of exoplanets in recent decades.
• The James Webb Space Telescope is helping scientists study the atmospheres of distant exoplanets.
• Some exoplanets may have conditions suitable for life.
• The first exoplanet was discovered orbiting a sun-like star in 1995.
• Researchers use the transit method to detect exoplanets around other stars.
• Many exoplanets are much larger than Earth and are called gas giants.