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Mare Humboldtianum / h ʌ m b oʊ l t i ˈ eɪ n ə m / (Latin humboldtiānum, the "Sea of Alexander von Humboldt") is a lunar mare located just to the east of Mare Frigoris, in the center of Humboldtianum basin. It is located along the northeastern limb of the Moon, and continues on to the far side.
Mons Gruithuisen Gamma (γ) is a lunar dome [1] that lies to the north of the crater Gruithuisen at the western edge of the Mare Imbrium. This massif is shaped as a rounded dome in the surface, occupying a diameter of 20 km and climbing gently to a height of over 1500 meters. [2] [3] At the crest is a small crater.
Mare Serenitatis / s ɪ ˌ r ɛ n ɪ ˈ t eɪ t ɪ s / (Latin serēnitātis, the "Sea of Serenity") is a lunar mare located to the east of Mare Imbrium on the Moon. Its diameter is 674 km (419 mi). Its diameter is 674 km (419 mi).
The ages of the mare basalts have been determined both by direct radiometric dating and by the technique of crater counting.The radiometric ages range from about 3.16 to 4.2 billion years old (Ga), [4] whereas the youngest ages determined from crater counting are about 1.2 Ga. [5] Updated measurements of samples collected by the Chang’e-5 mission show that some lunar basalts could be as ...
During the 1960s, rectified images of Mare Orientale by Gerard Kuiper at the Lunar and Planetary Laboratory gave rise to the notion of it being an impact crater. [3] [4] The structure, with the flat plain of the mare in the center, is about 900 kilometres (560 mi) across and was formed by the impact of an asteroid-sized object, [5] [6] possibly 64 km (40 mi) in diameter and travelling at 15 km ...
Grimaldi has a history of transient lunar phenomena, including occasional flashes of light, color patches, and areas of hazy visibility. Gaseous emissions from this area have also been detected using spectroscopy .
Like most of the other maria on the Moon, Mare Humorum was named by Giovanni Riccioli, whose 1651 nomenclature system has become standardized. [6] Previously, the 17th century astronomer Pierre Gassendi had named it Anticaspia ('opposite to the Caspian', referring to Mare Crisium, which he had named after the Caspian Sea), [7] and Michael van Langren had labelled it the Mare Venetum ("Venetian ...
It is Latin for "sea of Muscovy". [2] Lunar naming conventions specify that lunar maria are named in Latin after 'weather and other abstract concepts', with a few exceptions. [8] Mare Moscoviense was discovered in 1959, when the first images of the far side were returned by the Soviet spacecraft Luna 3.