Difference between revisions of "Messala"
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Revision as of 19:24, 11 April 2018
Contents
Messala
| Lat: 39.2°N, Long: 60.5°E, Diam: 125 km, Depth: 2.07 km, Rükl: 16, pre-Nectarian |
Table of Contents
LO-IV-191H
Images
LPOD Photo Gallery Lunar Orbiter Images Apollo Images
Maps
([/LAC%20zone LAC zone] 28D1) USGS Digital Atlas PDF
Description
Description: Elger
([/IAU%20Directions IAU Directions]) MESSALA.--This fine walled-plain, nearly 70 miles in diameter, is, with its surroundings, an especially interesting object when observed under a low angle of illumination. Its complex border, though roughly circular, displays many irregularities in outline, due mainly to rows of depressions. The best view of it is obtained when the E. wall is on the evening terminator. At this phase, if libration is favourable, the manifold details of its very uneven and apparently convex floor are best seen. On the S.E. side is a group of large craters associated with a number of low hills, of which Schmidt shows five; but I have seen many more, together with several ridges between them and the W. wall. I noted also a cleft, or it may be a narrow valley, running from the foot of the N.E. wall towards the centre. On the floor, abutting on the N.W. border, is a semicircular ridge of considerable height, and beyond the border on the N.W. there is another curved ridge, completing the circle, the wall forming the diameter. This formation is clearly of more ancient date than Messala, as the N.W. wall of the latter has cut through it. Where Messala joins [/Schumacher Schumacher] there is a break in the border, occupied by three deep depressions.
Description: Wikipedia
Additional Information
- Depth data from [/Kurt%20Fisher%20crater%20depths Kurt Fisher database]
- Westfall, 2000: 2.07 km
- Cherrington, 1969: 2.71 km
- Satellite crater Messala A is on the [/ALPO%20list%20of%20banded%20craters ALPO list of banded craters]
Special MESSALA page from Ivo Demeulenaere
Thanks Ivo !!! - DannyCaes DannyCaes Mar 20, 2017
Nomenclature
- Named for Masha'allah ibn Athari (c.740-d.815 AD), an eighth century Persian Jewish astronomer from the city of Basra (now located in modern day Iraq) who became the leading astrologer of the late 8th century. His name is usually Latinized as Messala or Messahalla.
- This name was part of the original IAU nomenclature of [/Named%20Lunar%20Formations Named Lunar Formations] (1935).
- According to [/Whitaker Whitaker] (p. 213), the name was introduced by [/Riccioli Riccioli] in the form Messala Arabs., but the "Arabs." part was later dropped (by whom is not explained). [/Johann%20Schr%C3%B6ter Johann Schröter] called in Messhala in Plate VIIof his book.
LPOD Articles
A Rarely Seen Mess
Unknown Volcanic Center
Bibliography
This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - afx3u2
