| 1. | These changes can influence the planetary climate. Ces changements peuvent affecter le climat planétaire,,,. |
| 2. | Proceedings, 18th Lunar and Planetary Science Conference. "Proceedings, 18th Lunar and Planetary Science Conference". |
| 3. | Brown, E.W. and Shook, C.A. Planetary Theory. Brown, E.W. et Shook, C.A. Planetary Theory. |
| 4. | Introduction to planetary science : the geological perspective. Introduction to Planetary Science: The Geological Perspective. |
| 5. | NASA and Planetary Science Decadal Survey. Article détaillé : Planetary Science Decadal Survey. |
| 6. | For the details, see Planetary protection. Pour les articles homonymes, voir Planification. |
| 7. | It was named for French planetary scientist Anny-Chantal Levasseur-Regourd. La responsable scientifique était Anny-Chantal Levasseur-Regourd. |
| 8. | UA Lunar & Planetary Laboratory. Il travaille au LPL (Lunar & Planetary Laboratory). |
| 9. | Airplanes for planetary exploration have also been proposed. Pour l'exploration planétaire on a aussi envisagé d'utiliser des avions. |
| 10. | Meteoritics & Planetary Science. In : Meteoritics & Planetary Science. |