外空生物学 angolul

exobiology▼(biology dealing with extraterrestrial lifeforms)
noun
[UK: eɡzˌəʊbaɪˈɒlədʒi] [US: eɡzˌoʊbaɪˈɑːlədʒi]

xenobiology▼(speculative biology of extraterrestrial life)
noun