What does "extrasolar" mean?

of or originating outside the Solar System.

Extrasolar

Common synonyms include: alien, exoplanet system, exoplanetary, exterrestrial, extramundane, extramural.

adj

adj ·Rare ·Advanced level

Adjective

1
of or originating outside the Solar System. not-comparable
"Some comets are thought to have an extrasolar origin."
2
of or originating in a system other than Earth's, the solar system. not-comparable
"A four-inch telescope was once used to find an extrasolar planet."

"Hundreds of extrasolar planets have been discovered."

From extra- + solar.