The speculative biology of extraterrestrial life forms(noun)
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Use "xenobiology" in a sentence
"Exobiology sometimes also called astrobiology or xenobiology is the term for the study of both extraterrestrial life and the effects of outer space on living things."
"Here is a greatwrite-up on the xenobiology of Pandora, the fictional planet featured in the movie Avatar."
"Dr. Adun Zelnaga, the head of the xenobiology and treatment wing of the Galindus Medical Center on Deck 196 of the Lighthouse."