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Acidalia Planitia

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Title: Acidalia Planitia  
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Subject: List of plains on Mars, Martian surface, Schiaparelli (Martian crater), Gully (Mars), Classical albedo features on Mars
Collection: Plains on Mars
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Acidalia Planitia

Acidalia Planitia
Topography
Coordinates

Acidalia Planitia is a plain on Mars. It is located between the Tharsis volcanic province and Arabia Terra to the north of Valles Marineris, centered at .[1] Most of this region is found in the Mare Acidalium quadrangle, but a small part is in the Ismenius Lacus quadrangle. The plain contains the famous Cydonia region at the contact with the heavily cratered highland terrain.

The plain is named after a corresponding albedo feature on a map by Giovanni Schiaparelli, which was in turn named after the mythological fountain of Acidalia. Some places in Acidalia Planitia show cones. Some researchers have suggested that these are mud volcanoes.

Contents

  • Gullies 1
  • See also 2
  • In popular culture 3
  • References 4
  • External links 5

Gullies

Martian gullies are small, incised networks of narrow channels and their associated downslope sediment deposits, found on the planet of Mars. They are named for their resemblance to terrestrial gullies. First discovered on images from Mars Global Surveyor, they occur on steep slopes, especially on the walls of craters. Usually, each gully has a dendritic alcove at its head, a fan-shaped apron at its base, and a single thread of incised channel linking the two, giving the whole gully an hourglass shape.[2] They are believed to be relatively young because they have few, if any craters. A subclass of gullies is also found cut into the faces of sand dunes which themselves considered to be quite young. On the basis of their form, aspects, positions, and location amongst and apparent interaction with features thought to be rich in water ice, many researchers believed that the processes carving the gullies involve liquid water. However, this remains a topic of active research.

See also

In popular culture

In the novel The Martian by Andy Weir, this is the landing site of the Ares 3 mission, where the protagonist gets stranded when a huge storm occurs.[3]

References

  1. ^
  2. ^ Malin, M., Edgett, K. 2000. Evidence for recent groundwater seepage and surface runoff on Mars. Science 288, 2330–2335.
  3. ^

External links

  • Google Mars zoomable map centered on Acidalia Planitia
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