Extraterrestrial and Jovian

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

Jovian and extraterrestrial are semantically related. In some cases you can use "Jovian" instead the word "Extraterrestrial" as a noun or an adjective.

Jovian adjective - Of or pertaining to or befitting the Roman deity Jupiter.

Extraterrestrial and Jovian are semantically related. You can use "Extraterrestrial" instead the word "Jovian" as a noun or an adjective.