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

planetological

ˌpla-nə-tə-ˈlä-ji-kəl

adjective

planetologist

ˌpla-nə-ˈtä-lə-jist

noun

Examples of planetology in a Sentence

Recent Examples on the Web As pictures and chemical readings start streaming in, Bell and other mission scientists will begin their comparative planetology. —

Corey S Powell, Discover Magazine, 14 May 2014

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'planetology.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.