Geddes (crater)

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Geddes
Geddes crater EW0221064213G.jpg
Geddes crater at center and Ts'ai Wen-Chi in upper right
Feature typeImpact crater
Location Victoria quadrangle, Mercury
Coordinates 27°12′N29°36′W / 27.2°N 29.6°W / 27.2; -29.6
Diameter84 km (52 mi)
Eponym Wilhelmina Geddes
Mariner 10 image with Geddes at right Mariner 10 image 0027325.png
Mariner 10 image with Geddes at right

Geddes is a crater on Mercury. It has a diameter of 84 kilometers. Its name was adopted by the International Astronomical Union (IAU) in 2010. Geddes is named for the Irish stained glass artist Wilhelmina Geddes, who lived from 1887 to 1955. [1]

Within Geddes is a relatively large irregular depression, making it a pit-floor crater. Such pits are thought to be caused by volcanic activity. [2] [3]

Antoniadi Dorsum cuts across Geddes crater.

Hollows

Hollows are present on the floor of Geddes crater, mostly at the rims of smaller craters within it, and along the rim of the central depression.

References

  1. "Geddes". Gazetteer of Planetary Nomenclature. NASA . Retrieved 2 July 2012.
  2. Gillis-Davis, Jeffrey J.; Blewett, David T.; Gaskell, Robert W.; Denevi, Brett W.; Robinson, Mark S.; Strom, Robert G.; Solomon, Sean C.; Sprague, Ann L. (2009). "Pit-floor craters on Mercury: Evidence of near-surface igneous activity". Earth and Planetary Science Letters. 285 (3–4): 243–250. Bibcode:2009E&PSL.285..243G. doi:10.1016/j.epsl.2009.05.023.
  3. David Pegg, David Rothery, M.R. Balme, Susan Conway, 2021. Explosive vent sites on Mercury: Commonplace multiple eruptions and their implications. Icarus 365:114510. doi.org/10.1016/j.icarus.2021.114510