Cosmogonic and Extraterrestrial

Cosmogonic adjective - Pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe.

Extraterrestrial and cosmogonic are semantically related. In some cases you can use "Extraterrestrial" instead an adjective "Cosmogonic".

Extraterrestrial adjective - Originating, located, or occurring outside Earth or its atmosphere.

Cosmogonic and extraterrestrial are semantically related. Sometimes you can use "Cosmogonic" instead an adjective "Extraterrestrial".