planetology 
planetology
Definition
plan·et·ol·ogy (plan′ə täl′ə jē)
noun
the branch of astronomy that studies and compares the planets and their moons
plan′·et·ol′o·gist noun
Browse dictionary entries near planetology
- ‹ planetoid
- ‹ planetesimal hypothesis
- ‹ planetesimal
- ‹ planetary nebula
- ‹ planetary
- ‹ planetarium
- ‹ planet wheel
- ‹ planet-stricken
- ‹ planet
- ‹ planer tree
- plangent ›
- plani- ›
- planimeter ›
- planish ›
- planisphere ›
- plank ›
- planking ›
- plankter ›
- plankton ›
- planned ›
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