Astrogeologic

astrogeology

[as-troh-jee-ol-uh-jee]
noun
the science dealing with the structure and composition of planets and other bodies in the solar system.

Origin:
astro- + geology

astrogeologic [as-troh-jee-uh-loj-ik] , adjective
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World English Dictionary
astrogeology (ˌæstrəʊdʒɪˈɒlədʒɪ)
 
n
the study of the structure, composition, and history of other planets and other bodies in the solar system

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