| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Planetoids | No definition provided | Christopher Rauch | 2023.12.01 |
| planetology | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Planetology | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Plane trigonometry | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, and names of individual planets | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets--Brightness | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets--Diameters | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Figure of | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Intramercurial | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Minor | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets--Observations | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets--Phases | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets--Tables | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Theory of | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Ultra-Ncptunian | No definition provided | Christopher Rauch | 2023.12.01 |
| Planets, Ultra-Neptunian | No definition provided | Christopher Rauch | 2023.12.01 |
| Planimeter | No definition provided | Christopher Rauch | 2023.12.01 |
| Planing-machines | No definition provided | Christopher Rauch | 2023.12.01 |
| Planing-mills | No definition provided | Christopher Rauch | 2023.12.01 |