| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Lunar maria | Areas on the surface of the Moon that appears darker and smoother than their surroundings. Once thought to be seas, lunar maria are now known to be basaltic basins created by volcanic lava floods. | Ryan McGranaghan | 2023.04.16 |
| Lunar mineralogy | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar mountains | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar node regression | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar node regression | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar node regression | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar occultation | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar origin | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar petrology | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar phase | One of the various changes in the apparent shape of the Moon, because as the Moon orbits the Earth different amounts of its illuminated part are facing us. The phases of the Moon include: the new moon , waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, and new moon again. | Ryan McGranaghan | 2023.04.16 |
| Lunar probes | A probe for exploring and reporting on conditions on or about the Moon. | Ryan McGranaghan | 2023.04.16 |
| Lunar rays | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar_Reconnaissance_Orbiter | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar rilles | A long, narrow, straight or sinuous trench or valley with steep walls and roughly parallel sides on the surface of the Moon. | Ryan McGranaghan | 2023.04.16 |
| Lunar science | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar seismology | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar surface | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Lunar tables | No definition provided | Christopher Rauch | 2023.12.01 |
| Lunar tellurian | No definition provided | Christopher Rauch | 2023.12.01 |
| Lunar theory | No definition provided | Christopher Rauch | 2023.12.01 |