Proctor (Martian crater)

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Proctor Crater
Proctor Crater Ripples and Dunes.JPG
Proctor Crater Ripples and Dunes, as seen by HiRISE.
Planet Mars
Coordinates 48°00′S 330°30′W / 48°S 330.5°W / -48; -330.5Coordinates: 48°00′S 330°30′W / 48°S 330.5°W / -48; -330.5
Eponym Richard A.Proctor, a British astronomer (1837–1888)

Proctor Crater is a large crater in the Noachis quadrangle of Mars, located at 48° south latitude and 330.5° west longitude. It is 168.2 km (104.5 mi) in diameter and was named after Richard A. Proctor, a British astronomer (1837–1888).[1] The crater contains a 35 x 65 km dark dune field.[2][3] It was one of the first sand dune fields ever recognized on Mars based on Mariner 9 images.[4] The crater's dunes are being monitored by HiRISE to identify changes over time.[5]


  1. ^
  2. ^ Fenton, L. K. (2005). "Seasonal Movement of Material on Dunes in Proctor Crater, Mars: Possible Present-Day Sand Saltation". Lunar and Planetary Science XXXVI (2005). 
  3. ^ Mary Chapman, ed. (2007). The Geology of Mars: Evidence from Earth-Based Analogs. Cambridge University Press. p. 250. ISBN 978-0-521-83292-2. 
  4. ^ "Dune Activity in Proctor Crater". Mars Global Surveyor - Mars Orbiter Camera - MGS MOC Release No. MOC2-170. Malin Space Science Systems. 10 August 1999. 
  5. ^ Bridges, Nathan (9 March 2009). "Sand Dunes and Ripples in Proctor Crater". HiRISE Operations Center.