Diacria (Gradfeld)
The Diacria - degree field one of the 30 degree field of Mars . They were established by the United States Geological Survey ( USGS ). The number is MC-2, the degree field covers the area from 120 ° to 180 ° west longitude and from 30 ° to 65 ° south latitude .
The degree field covers parts of Arcadia Planitia and Amazonis Planitia . The name Diacria describes an albedo feature visible in the telescope in the range of 48 ° N and 190 ° E on Mars. This area was named by EM Antoniadi , a Greek astronomer , in 1930 after a highland in northern Attica . In the area of the degree field u. a. the Milankovič crater with a diameter of approx. 118.4 km, the western flank of the Alba Mons runs through the Gradfeld in the southeastern area. This area is also crossed by the Cyane Fossae rift region.
To the west of Lycus Sulci , across from Amazonis Planitia , lies the Erebus Montes mountain range . It contains hundreds of isolated hills that are between 500 m and 1000 m above the plain.
Other degree fields
Individual evidence
- ↑ Davies, ME; Batson, RM; Wu, SSC “Geodesy and Cartography” in Kieffer, HH; Jakosky, BM; Snyder, CW; Matthews, MS, Eds. Mars. University of Arizona Press: Tucson, 1992.
- ^ Diacria in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
- ^ Carr, MH The Surface of Mars; Cambridge University Press: New York, 2006.
- ↑ Tanaka, KL; Skinner, YES; Hare, TM Geologic Map of the Northern Plains of Mars. Scientific Investigations Map 2888, US Geological Survey, 2005.
- ↑ Oliver Morton: Mapping Mars: Science, Imagination, and the Birth of a World . Picador USA, New York 2002, ISBN 0-312-24551-3 , p. 98.
- ↑ PIA03467: The MGS MOC Wide Angle Map of Mars photojournal.jpl.nasa.gov, February 16, 2002
- ↑ Davies, ME; Batson, RM; Wu, SSC "Geodesy and Cartography" in Kieffer, HH; Jakosky, BM; Snyder, CW; Matthews, MS, Eds. Mars. University of Arizona Press: Tucson, 1992.