Hellas (Gradfeld)
The Hellas - degree field one of the 30 degree field of Mars . They were established by the United States Geological Survey ( USGS ). The number is MC-28, the degree field covers the area from 240 ° to 300 ° west longitude and from −65 ° to −30 ° south latitude . The name comes from the ancient name for Greece. Hellas Planitia , Promethei Terra and the river valleys Dao Vallis , Niger Vallis , Harmakhis , and Reull Vallis , from which water may have flowed into the Hellas basin, lie within the Gradfeld .
Other degree fields
Degree fields of the planet Mars
Web links
Commons : Hellas-Gradfeld - Collection of images, videos and audio files
- DLR: The hourglass crater - new video and pictures March 17, 2006
Individual evidence
- ↑ Hellas in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
- ^ Michael H. Carr: The Surface of Mars . Cambridge University Press, 2006, ISBN 978-0-521-87201-0 .
- ^ J Moore, Don E. Wilhelms: Hellas as a possible site of ancient ice-covered lakes on Mars . In: Icarus . 154, No. 2, 2001, pp. 258-276. bibcode : 2001Icar..154..258M . doi : 10.1006 / icar.2001.6736 .
- ↑ Cabrol, N. and E. Grim (eds). 2010. Lakes on Mars
- ↑ 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.