Definition of "extrasolar"

extrasolar

adjective
not comparable
1. (astronomy) of or originating outside the Solar System.
2. (astrophysics) of or originating in a solar system other than Earth's.
  Quotations
  Of course, no one has any idea whether the extrasolar life is anything more than a few trillion microbes.
  1993, Octavia E. Butler, Parable of the Sower, HEADLINE PUBLISHING GROUP (2019), page 78