Al-Khwarizmi: A New-Found Basin on the Lunar Far Side

@article{ElBaz1973AlKhwarizmiAN,
  title={Al-Khwarizmi: A New-Found Basin on the Lunar Far Side},
  author={Farouk Kamel El-Baz},
  journal={Science},
  year={1973},
  volume={180},
  pages={1173 - 1176}
}
  • F. El-Baz
  • Published 15 June 1973
  • Physics
  • Science
Apollo 16 and Apollo 17 photographs of the far side of the moon reveal a double-ringed basin 500 kilometers in diameter centered at 1�N, 112�E. The structure is very old and subdued; it is probably Pre-Nectarian in age and appears to have been filled and modified by younger events. The heights of the basin's rings are based on laser altimeter data from Apollo missions 15 through 17; these data suggest a third outer ring, approximately 1000 kilometers in diameter. Laser measurements also… 

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Lunar Shape via the Apollo Laser Altimeter

Data from the Apollo 15 and Apollo 16 laser altimeters reveal the first accurate elevation differences between distant features on both sides of the moon. The large far-side depression observed in

Comments on the figure of the moon based on preliminary results from laser altimetry

Range measurements from the orbiting spacecraft to the lunar surface were made during the Apollo 15 mission using a laser altimeter. The measurements were made in a plane inclined at approximately

Lunar Igneous Intrusions

TLDR
Photographs taken from Apollo 10 and 11 reveal a number of probable igneous intrusions, including three probable dikes that crosscut the wall and floor of an unnamed 75-kilometer crater on the lunar farside, suggesting the plausibility of intrusive igneous activity, in addition to extrusive volcanism, on the moon.

The name "Arabia" was used to designate the basin during the Apollo 17 mission and also in the

    References and Notes l. Before the crater King (5.5'N, 120.5 E) was namedl by the International Astronomical Union (IAU), it was given the number 211: see F. El-Baz

    • Scienzce
    • 1970

    It was later argued that what was interpreted as a mountain range are in reality bright ejecta and rass

    • Soviet Mountains" was coined by Rtussian investigators following interpretations of the Luna 3 photographs
    • 1960