Zähringer (crater)
Encyclopedia
Zähringer is a small lunar
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 impact crater located near the southeast fringes of Mare Tranquillitatis
Mare Tranquillitatis
Mare Tranquillitatis is a lunar mare that sits within the Tranquillitatis basin on the Moon. The mare material within the basin consists of basalt formed in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are thought to be of the Lower Imbrian epoch, but...

. To the northeast is the flooded crater Lawrence
Lawrence (crater)
Lawrence is a lunar crater that is located on a section of terrain to the east of Mare Tranquillitatis and northwest of Mare Fecunditatis. To the southeast is the larger crater Taruntius...

, and to the southeast are the Montes Secchi
Montes Secchi
Montes Secchi is minor range of lunar mountains that located near the northwestern edge of Mare Fecunditatis. This roughly linear formation of low ridges grazes the northwestern outer rim of the crater Secchi, the formation from which this range gained its name...

 mountains and the crater Secchi
Secchi (lunar crater)
Secchi is a small lunar crater formation on the northwest edge of Mare Fecunditatis. To the northeast is the crater Taruntius. The western rim is joined with a section of the minor Montes Secchi range. The rim of this crater has been opened in the northern and southern ends, leaving two curved...

. Farther to the east lies Taruntius
Taruntius (crater)
Taruntius is a lunar crater on the northwestern edge of Mare Fecunditatis. To the northwest is the lava-flooded crater Lawrence, and to the north lie the craters Watts and da Vinci...

. Zähringer is a circular, bowl-shaped formation with a small interior floor at the mid-point of the sloping inner walls. It is not markedly worn by subsequent impacts.

This crater was previously identified as Taruntius E before being named by the IAU
International Astronomical Union
The International Astronomical Union IAU is a collection of professional astronomers, at the Ph.D. level and beyond, active in professional research and education in astronomy...

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