planetology
noun
plan·et·ol·o·gy
ˌpla-nə-ˈtä-lə-jē 
plural planetologies
: a branch of astronomy that deals with the condensed matter of the solar system and especially with the planets and their moons
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As pictures and chemical readings start streaming in, Bell and other mission scientists will begin their comparative planetology.
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Corey S Powell, Discover Magazine, 14 May 2014
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Corey S Powell, Discover Magazine, 14 May 2014
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“Planetology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetology. Accessed 9 Jul. 2025.
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