/ˌek.strə.təˈres.tri.əl/
in or coming from a place outside the planet Earth:
In those rocks may lie the best chance of finding extraterrestrial life.
extraterrestrial beings
/ˌek.strə.təˈres.tri.əl/
in or coming from a place outside the planet Earth:
In those rocks may lie the best chance of finding extraterrestrial life.
extraterrestrial beings