Lents (Lenz)

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Lents (Lenz)

Lat: 2.72°N, Long: 102.3°W, Diam: 21.98 km, Depth: km, Rükl: (farside)

external image normal_lents.jpg

external image normal_lents-clem1.jpg

Left: LROC image WAC No. M118159663ME. Lents is the leftmost crater of the pair - next to Lents C (also note the rayed crater Pierazzo east of Lents C, that Danny Caes gives mention to below). Calibrated by LROC_WAC_Previewer.
Right: Clementine


LPOD Photo Gallery Lunar Orbiter Images (see Lenz).
The eastern sunlit inner slopes of Lenz, Lenz C, and nearby Pierazzo were captured near the lower margins of Lunar Orbiter V photographs 5013-h2, 5014-h2, 5015-h2, 5016-h2, 5017-h2, 5018-h2, 5019-h2, and 5020-h2.
Research Danny Caes


(LAC zone 72D3) USGS Digital Atlas PDF



Lents (Lenz)

Additional Information

  • IAU page: Lents (Lenz)
  • Near Lenz, east-northeast of it, at 3°10' North/ 100° West, is the most beautiful raycrater of the entire moon's surface (Pierazzo). Part of Pierazzo's ray-system is seen on the Clementine photo above. The Lunar Photo of the Day (LPOD) of december the 12th, 2007, shows a wonderful image of it, made by the Chinese probe Chang'e. During the manned lunar missions of project Apollo, this exceptionally beautiful raycrater was never photographed, because it was never illuminated by the sun or by Earthshine. In fact, all the regions behind the moon's western limb (as seen from Earth) were never illuminated by the sun. We could call this part of the moon (the Hertzsprung area and environs) "Apollo's dark part of the moon". - DannyCaes Jan 6, 2008


  • Named for Heinrich Friedrich Emil Lenz (February 12, 1804 - February 10, 1865), a Baltic German physicist most famous for formulating Lenz's law in 1833. He began studying electromagnetism in 1831. Besides the law named in his honor, Lenz also independently discovered Joule's law in 1842; to honor his efforts on the problem, Russian physicists always use "Joule-Lenz law" as the name.
  • This name was approved by the IAU (as Lenz) in Menzel, 1971.
  • The spelling has changed as a result of changes in the way the Cyrillic characters are transliterated. The older spelling in parenthesis is probably to be ignored but the IAU has never adopted a clear or consistent position on this.

LPOD Articles

The bright ray craterlet near Lenz, photographed by Chang'e.

Lettered craters

LAC 72. Excerpt from the USGS Digital Atlas of the Moon.


Named Features -- Prev: Lacus Lenitatis -- Next: Leonid