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The lunar theory, as developed numerically to fine precision using these modern measures, is based on a larger range of considerations than the classical theories: It takes account not only of gravitational forces (with relativistic corrections) but also of many tidal and geophysical effects and a greatly extended theory of lunar libration ...
The Pre-Nectarian period is defined from the point at which the lunar crust formed, to the time of the Nectaris impact event. Nectaris is a multi-ring impact basin that formed on the near side of the Moon, and its ejecta blanket serves as a useful stratigraphic marker. 30 impact basins from this period are recognized, the oldest of which is the South Pole–Aitken basin.
Upon popular demand, the Chapronts also published ELP2000-85 [4] and a book, Lunar Programs and Tables [5] with a truncated version of their theory and with programs, that could be used by historians and amateur astronomers to compute the position of the Moon themselves. Jean Meeus used the ELP in his popular book Astronomical Algorithms (1991 ...
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Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft, lunar samples, and geophysical data. . Six locations were sampled directly during the crewed Apollo program landings from 1969 to 1972, which returned 382 kilograms (842 lb) of lunar rock and lunar soil to Earth [8] In addition, three robotic Soviet Luna ...
The historic Chandrayaan-3 mission, which made India the fourth country to land on the moon one year ago Friday, has uncovered new evidence that supports a theory about early lunar history.
The diameter of the solar wheel was twenty-seven times that of the Earth (or twenty-eight, depending on the sources) [10] and the lunar wheel, whose fire was less intense, eighteen (or nineteen) times. Its hole could change shape, thus explaining lunar phases. The stars and the planets, located closer, [11] followed the same model. [12]
The first lunar samples from the moon’s far side differ in some interesting ways from those collected from the near side, according to two new studies. ... Sign up for CNN’s Wonder Theory ...