Murchison (crater)

Murchison (crater)
Murchison (crater)
Coordinates 5°06′N 0°06′W / 5.1°N 0.1°W / 5.1; -0.1Coordinates: 5°06′N 0°06′W / 5.1°N 0.1°W / 5.1; -0.1
Diameter 58 km
Depth 1.8 km
Colongitude 0° at sunrise
Eponym Roderick I. Murchison

Murchison is a lunar crater on the north edge of the Sinus Medii, named in honour of the geologist Sir Roderick Murchison. It shares a section of rim with the crater Pallas. To the southeast on the mare is the circular crater Chladni, and to the northeast is Ukert. Farther to the east is the prominent Triesnecker. Murchison lies astride the lunar zenith line, i.e. the starting longitude of the selenographic coordinate system. From here the Earth would appear almost directly overhead.

The wall of Murchison is heavily worn and has completely disappeared in a wide gap to the southeast. The rim is most intact along the northeast part of the crater, but even there it is indented and irregular. Only a ridge remains of the rim shared by Pallas and Murchison, with gaps to the north and south. A low ridge from the east wall runs south to join the rim of Chladni. The crater floor has been flooded with lava, and joins the Sinus Medii through the wide gap in the southeast wall.

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 Murchison.

Murchison Latitude Longitude Diameter
T 4.4° N 0.1° E 3 km


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  • Pallas (crater) — lunar crater data latitude=5.5 N or S=S longitude=1.6 E or W=W diameter=50 km depth=1.3 km colong=2 eponym=Peter S. PallasPallas is a heavily eroded lunar crater located to the north of the Sinus Medii. To the northwest is the smaller but less… …   Wikipedia

  • Roderick Murchison — Sir Roderick Murchison Sir Roderick Impey Murchison, 1st Baronet KCB DCL FRS FRSE FLS PRGS PBA MRIA (22 February 1792[1] – 22 October 1871) was a Scottish geologist who first described and investigated the Silurian system …   Wikipedia

  • Davenport Murchison National Park — IUCN Category II (National Park) …   Wikipedia

  • Ukert (crater) — lunar crater data latitude=7.8 N or S=N longitude=1.4 E or W=E diameter=23 km depth=2.9 km colong=359 eponym=Friedrich A. UkertUkert is a lunar impact crater that lies on a strip of rugged ground between Mare Vaporum to the north and Sinus Medii… …   Wikipedia

  • Triesnecker (cráter) — Cráter lunar …   Wikipedia Español

  • Triesnecker (crater) — lunar crater data latitude=4.2 N or S=N longitude=3.6 E or W=E diameter=26 km depth=2.8 km colong=356 eponym=Franz P. TriesneckerTriesnecker is a prominent lunar impact crater that is located in the Sinus Medii, near the central part of the Moon… …   Wikipedia

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  • Chladni (crater) — Coordinates 4°00′N 1°06′E / 4.0°N 1.1°E / …   Wikipedia

  • Cráteres lunares — Anexo:Cráteres lunares Saltar a navegación, búsqueda Esta es una lista de 1517 cráteres de impacto lunares que han sido nombrados. La convención de la UAI para nombrar estos accidentes selenográficos es la de usar los nombres aquellos fallecidos… …   Wikipedia Español

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