Mare Tranquillitatis /træŋˌkwɪlɪˈteɪtɪs/ (Latin for Sea of Tranquillity or Sea of Tranquility) is a lunar mare that sits within the Tranquillitatis basin...

The Mare Tranquillitatis pit is the name given to an elliptical opening on the Moon's surface in the Mare Tranquillitatis, situated roughly 400 kilometers...

(Mare Australe, Mare Orientale, Mare Cognitum, Mare Marginis), or states of mind (Mare Crisium, Mare Ingenii, Mare Serenitatis, Mare Tranquillitatis)...

Moon's Crisium basin, just northeast of Mare Tranquillitatis. Mare Crisium is a basin of Nectarian age. Mare Crisium is 556 km (345 mi) in diameter, and...

epoch. The mare material is of the Upper Imbrian epoch and is relatively thin compared to the neighboring Mare Crisium or Mare Tranquillitatis. This basin...

It is located in the south-western corner of the dark lunar plain Mare Tranquillitatis ("Sea of Tranquility"). The U.S. states of California and New Mexico...

located south of Mare Tranquillitatis southwest of Mare Fecunditatis, on the near side of the Moon. Montes Pyrenaeus borders the mare to the east and Sinus...

northwest edge of Sinus Asperitatis, a bay on the southwest edge of Mare Tranquillitatis. It was named after Egyptian mathematician Hypatia of Alexandria...

first time landed on the Moon and any extraterrestrial body, at Mare Tranquillitatis with the lander Eagle of the United States' Apollo 11 mission. Five...

that is located on a section of terrain to the east of Mare Tranquillitatis and northwest of Mare Fecunditatis. It was named after American physicist and...

Delambre is a lunar impact crater that lies to the southwest of Mare Tranquillitatis, in the central highland region. To the west is the crater pair of...

UT 2°40′N 24°39′E / 2.67°N 24.65°E / 2.67; 24.65 (Ranger 8) - Mare Tranquillitatis (Sea of Tranquility) Ranger 9 Launched 21 March 1965 Impacted Moon...

mountain within the Montes Secchi, which separate Mare Fecunditatis to the east from Mare Tranquillitatis to the west. It was named at about the time of...

Manners is a lunar impact crater located in the western part of the Mare Tranquillitatis. Its diameter is 15 km. It was named after British astronomer Russell...

the mare. The ring feature to the west of the mare is indistinct, except for Montes Haemus. Mare Serenitatis connects with Mare Tranquillitatis to the...

Retrieved 2020-12-26. "Mare Tranquillitatis". Gazetteer of Planetary Nomenclature. Astrogeology Science Center. Retrieved 2020-12-26. "Mare Vaporum". Gazetteer...

Maclear is a lava-flooded crater on the northwest part of the Mare Tranquillitatis, a lunar mare in the eastern half of the Moon. Its diameter is 20 km. The...

Menzel is a tiny lunar impact crater located in the southeast of the Mare Tranquillitatis. It was named after American astrophysicist Donald H. Menzel. This...

ceiling that is 2 m (6.6 ft) thick. In 2023-2024, radar imaging of the Mare Tranquillitatis pit from NASA's Lunar Reconnaissance Orbiter Camera was analyzed...

small lunar impact crater located near the southeast fringes of Mare Tranquillitatis. To the northeast is the flooded crater Lawrence, and to the southeast...

Moltke is a lunar impact crater near the southern edge of the Mare Tranquillitatis. It is a small, bowl-shaped crater surrounded by a bright halo of higher-albedo...

G. (2003). "Ages and stratigraphy of mare basalts in Oceanus Procellarum, Mare Numbium, Mare Cognitum, and Mare Insularum". J. Geophys. Res. 108 (E7):...

reasons would have sent Apollo 11 to Sinus Medii instead of ALS2, Mare Tranquillitatis (where it actually landed); another two-day delay would have resulted...

Jansen is a lunar impact crater in the north part of the Mare Tranquillitatis. The diameter is 24 km. It was named after 17th century Dutch optician Zacharias...

program sent to explore the surface of the Moon. Surveyor 5 landed on Mare Tranquillitatis in 1967. A total of 19,118 images were transmitted to Earth. The...

is about 220 kilometers in length, and continues to the edge of Mare Tranquillitatis to the east. By convention these features are identified on lunar...

spanning a length of 300 km (186.4 mi), it stretches between Mare Tranquillitatis and Mare Vaporum. Some scientists think that the linear rilles might...

a mare cooled, contracted and sank. These are found all over the Moon, examples can be seen near the south-western border of Mare Tranquillitatis and...

southern part of the Sinus Amoris, a bay at the northeast part of the Mare Tranquillitatis. It was named after ancient Greek philosopher Theophrastus in 1973...

Mare Ingenii and Mare Tranquillitatis. The first rocks brought back by Apollo 11 were basalts. Although the mission landed on Mare Tranquillitatis, a...