# planetophysics

> English word · Noun

## Definitions
1. The branch of astrophysics dealing with planets and planetary systems; planetology

## Etymology
From planeto- + physics.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/planetophysics