Avicenna is a 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...

 crater

Impact crater

In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 that lies on the far side of the Moon

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...

, just beyond the western limb on the northern rim of the Lorentz basin

Lorentz (crater)

Lorentz is a huge lunar crater that lies just beyond the northwest limb of the Moon, in a region that is brought into sight of the Earth during favorable librations. This formation is nearly as large as the Mare Nectaris on the near side of the Moon, although it has not been submerged by lava as...

. It is named after the Persian

Persian people

The Persian people are part of the Iranian peoples who speak the modern Persian language and closely akin Iranian dialects and languages. The origin of the ethnic Iranian/Persian peoples are traced to the Ancient Iranian peoples, who were part of the ancient Indo-Iranians and themselves part of...

 physician Avicenna

Avicenna

Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā , commonly known as Ibn Sīnā or by his Latinized name Avicenna, was a Persian polymath, who wrote almost 450 treatises on a wide range of subjects, of which around 240 have survived...

. It lies to the north-northwest of the larger crater Nernst

Nernst (crater)

Nernst is a lunar impact crater that lies on the far side of the Moon, just beyond the northwestern limb. It lies across the northern part of the larger walled plain Lorentz, and intrudes slightly into the northwestern rim of the crater Röntgen....

, and to the southeast of Bragg

Bragg (crater)

Bragg is an ancient lunar crater that is located on the far side of the Moon, just beyond the northwest limb. This formation has been heavily eroded and reshaped by subsequent impacts, leaving an irregular depression in the surface...

.

The northern half of Avicenna has been obliterated by subsequent, overlapping impacts. The southern and southeastern rim is worn and eroded, but the outline can still be discerned. There is a small crater lying across the southern rim, although this formation is equally worn. Several tiny craterlets lie across the southern extent of Avicenna's floor.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Avicenna.

Avicenna	Latitude	Longitude	Diameter
E	40.0° N	91.1° W	25 km
G	39.0° N	92.0° W	26 km
R	38.9° N	100.1° W	21 km

See also

• Ibn Sina peak
• Ibn Sina College
• IBN Sina Hospital, Baghdad Iraq
  IBN Sina Hospital, Baghdad Iraq
  Ibn Sina Hospital is a hospital in Baghdad, Iraq which was built by four Iraqi doctors - Modafar Al Shather, Kadim Shubar, Kasim Abdul Majeed and Clement Serkis - in the mid-1960s. It was purchased for a fraction of its true value by the Iraqi government for use by Saddam Hussein, his family and...
  
  
• Ibn Sina College of Medical Sciences