IPA: /ˌɛksoʊbaɪˈɒlədʒɪst/
KK: /ˌɛksoʊbaɪˈɑlədʒɪst/
A scientist who studies life beyond Earth, focusing on the possibility of life on other planets or celestial bodies.
The exobiologist presented her findings on the potential for microbial life on Mars.
Exobiologist → It is formed from "exo-" (from Greek "ἔξω" meaning outside) and "biologist" (from Greek "βιολογία" meaning the study of life). An exobiologist studies life that exists outside of Earth.
Think of 'outside' ('exo-') and 'the study of life' ('biologist') to remember that an exobiologist is someone who studies life beyond our planet.