Extraterrestrial sphere Synonyms

Definitions for Extraterrestrial


  • (adjective) originating, located, or occurring outside Earth or its atmosphere
  • (noun) a form of life assumed to exist outside the earth or its atmosphere

Definitions for Sphere


  • (noun) a more or less round body or mass
  • (noun) a ball -shaped gaseous celestial body that shines by its own light
  • (noun) a three-dimensional closed surface such that every point on the surface is equidistant from the center