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Noun: planetary science
  1. The study of planets, planetary systems and the solar system
    - planetology

Encyclopedia: Planetary science

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planet
planet gear
planet wheel
planetal
planetarium
planetary
planetary gear
planetary house
planetary mixer
planetary nebula
planetary science
planetesimal
planetesimal hypothesis
planetoid
planetology
plane-tree family
plangency
plangent
planimeter
planing machine
planish