outside or beyond the solar system: extrasolar planets
Being or originating outside the solar system: an extrasolar planet.
- (astronomy) Of or originating outside the Solar System
- Some comets are thought to have an extrasolar origin.
- (astrophysics) Of or originating in a solar system other than Earth's
- A four-inch telescope was once used to find an extrasolar planet.
extra- +"Ž solar