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Discovery of two lunar features, part HStudy of the Apollo 16 photographs resulted in the discovery of two large features in the far side highlands near the eastern limb of the moon not indicated on existing lunar maps and charts. The larger unnamed feature is a three-ringed 1000 km diameter basin, and the smaller feature is a 200 km diameter crater that is located between the eastern middle and outer rings of this basin. This crater surrounds Becvar Crater. Since these newly discovered features are large enough and significant enough to warrant the assignment of names, the following names have been recommended to the Committee on Nomenclature of the IAU for consideration. Arabia is the name suggested for the newly-found basin to honor Arab contributions to astronomy. Rupes Sibericus (Siberian Scarp) is suggested for the 1 km high scarp that borders the eastern part of the middle ring of the basin. Rupes Apalaches (Appalachian Scarp) was suggested for the 2 km high scarp that borders the western part of the middle ring of the basin. Necho has been suggested for the new found 200 km diameter crater between the eastern middle and outer rings of the basin.
Document ID
Acquisition Source
Legacy CDMS
Document Type
El-Baz, F.
(Bell Telephone Labs., Inc. New York, NY, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1972
Publication Information
Publication: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.
Subject Category
Space Sciences
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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