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Selenography is the study of the surface and physical features of the Moon (also known as geography of the Moon, or selenodesy). [1] Like geography and areography , selenography is a subdiscipline within the field of planetary science .
Selenographia, sive Lunae descriptio (Selenography, or A Description of The Moon) was printed in 1647 and is a milestone work by Johannes Hevelius. It includes the first detailed map of the Moon, created from Hevelius's personal observations. [1] In his treatise, Hevelius reflected on the difference between his own work and that of Galileo Galilei.
This list is not comprehensive, as surveying of the Moon is a work in progress. Heights are in meters; most peaks have not been surveyed with the precision of a single meter.
Longitude on the Moon is measured both east and west from its prime meridian.When no direction is specified, east is positive and west is negative. Roughly speaking, the Moon's prime meridian lies near the center of the Moon's disc as seen from Earth. For precise applications, many coordinate sys
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It restored the term "Perfected Spelling of the Indonesian Language" (Ejaan Bahasa Indonesia yang Disempurnakan). Like the previous update, it also introduced minor changes: among others, it introduced the monophthong eu [ ɘ ] , mostly used in loanwords from Acehnese and Sundanese , reaffirming the use of optional diacritics ê [ ə ] , and ...
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