Jisho

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Noun
1. planetary science
Wikipedia definition
2. Planetary sciencePlanetary science (rarely planetology) is the scientific study of planets, moons, and planetary systems, in particular those of the Solar System and the processes that form them. It studies objects ranging in size from micrometeoroids to gas giants, aiming to determine their composition, dynamics, formation, interrelations and history.
Read “Planetary science” on English Wikipedia
Read “惑星科学” on Japanese Wikipedia
Read “Planetary science” on DBpedia

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