1. a planet that orbits a star outside our solar system
Usage: also called extrasolar planet; commonly used in astronomy and space science

Examples

• Astronomers discovered a new exoplanet orbiting a distant star.
• The exoplanet is located about 40 light-years from Earth.
• Some exoplanets may have conditions suitable for life.
• The James Webb Space Telescope can detect exoplanets by analyzing their atmospheres.
• Scientists have identified thousands of exoplanets in recent decades.
• This exoplanet is similar in size to Jupiter.