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Heimdal (crater)

Coordinates:68°18′N235°18′E / 68.3°N 235.3°E /68.3; 235.3
From Wikipedia, the free encyclopedia
Crater on Mars
For the crater on Callisto, seeHeimdall (Callistoan crater).
Crater on Mars
Heimdal
Heimdal photographed byMRO, with thePhoenix lander parachuting down to a landing nearby.
PlanetMars
Coordinates68°18′N235°18′E / 68.3°N 235.3°E /68.3; 235.3
QuadrangleMare Boreum
Diameter10 km
EponymThe Norwegian town ofHeimdal

Heimdal is a relatively recentimpact crater on theplanetMars. It is a simple crater which lies inVastitas Borealis, the northern plain. It is named after the Norwegian town ofHeimdal.[1]

The crater is approximately 20 kilometers from the landing site of thePhoenix lander. The landing site area is believed to be blanketed by ejecta excavated by the impact that created Heimdal, approximately 600 million years ago.[2][3] The spacecraft was photographed during landing by theMars Reconnaissance Orbiter, and was captured parachuting in the line of sight to the crater. While appearing to be over the crater, the craft was actually 20 km in front of it.

References

[edit]
  1. ^"Planetary Names: Crater, craters: Heimdal on Mars".planetarynames.wr.usgs.gov. Retrieved2015-11-12.
  2. ^Arvidson; Adams, D.; Bonfiglio, G.; Christensen, P.; Cull, S.; Golombek, M.; Guinn, J.; Guinness, E.; Heet, T.; Kirk, R.; Knudson, A.; Malin, M.; Mellon, M.; McEwen, A.; Mushkin, A.; Parker, T.; Seelos, F.; Seelos, K.; Smith, P.; Spencer, D.; Stein, T.; Tamppari, L. (2008)."Mars Exploration Program 2007 Phoenix landing site selection and characteristics".Journal of Geophysical Research.113 (E6): E00A03.Bibcode:2008JGRE..113.0A03A.doi:10.1029/2007JE003021.
  3. ^Heet, T. L.; Arvidson, R. E.; Cull, S. C.; Mellon, M. T.; Seelos, K. D. (2009-01-01)."Geomorphic and geologic settings of the Phoenix Lander mission landing site".Journal of Geophysical Research: Planets.114 (E1): E00E04.Bibcode:2009JGRE..114.0E04H.doi:10.1029/2009JE003416.ISSN 2156-2202.

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