|
The Lunar 100 |
| L |
Feature Name |
Significance |
Lat. (°) |
Long. (°) |
Diam. (km) |
Rükl Chart |
| 1 | Moon | Large satellite | — | — | 3,476 | — |
| 2 | Earthshine | Twice reflected sunlight | — | — | — | — |
| 3 | Mare/highland dichotomy | Two materials with distinct compositions | — | — | — | — |
| 4 | Apennines | Imbrium basin rim | 18.9N | 3.7W | 70 | 22 |
| 5 | Copernicus | Archetypal large complex crater | 9.7N | 20.1W | 93 | 31 |
| 6 | Tycho | Large rayed crater with impact melts | 43.4S | 11.1W | 85 | 64 |
| 7 | Altai Scarp | Nectaris basin rim | 24.3S | 22.6E | 425 | 57 |
| 8 | Theophilus, Cyrillus, Catharina | Crater sequence illustrating stages of degradation | 13.2S | 24.0E | — | 46, 57 |
| 9 | Clavius | Lacks basin features in spite of its size | 58.8S | 14.1W | 225 | 72 |
| 10 | Mare Crisium | Mare contained in large circular basin | 18.0N | 59.0E | 540 | 26, 27, 37, 38 |
| 11 | Aristarchus | Very bright crater with dark bands on its walls | 23.7N | 47.4W | 40 | 18 |
| 12 | Proclus | Oblique-impact rays | 16.1N | 46.8E | 28 | 26 |
| 13 | Gassendi | Floor-fractured crater | 17.6S | 40.1W | 101 | 52 |
| 14 | Sinus Iridum | Very large crater with missing rim | 45.0N | 32.0W | 260 | 10 |
| 15 | Straight Wall | Best example of a lunar fault | 21.8S | 7.8W | 110 | 54 |
| 16 | Petavius | Crater with domed & fractured floor | 25.1S | 60.4E | 177 | 59 |
| 17 | Schröter's Valley | Giant sinuous rille | 26.2N | 50.8W | 168 | 18 |
| 18 | Mare Serenitatis dark edges | Distinct mare areas with different compositions | 17.8N | 23.0E | N/A | 24 |
| 19 | Alpine Valley | Lunar graben | 49.0N | 3.0E | 165 | 4 |
| 20 | Posidonius | Floor-fractured crater | 31.8N | 29.9E | 95 | 14 |
| Chart numbers refer to Antonín Rükl's Atlas of the Moon. |
