Water on Mars. Origins of water The impact of asteroids to mars surface. Polar caps of ice Subsurface finds of reservoirs of water.

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Presentation transcript:

Water on Mars

Origins of water The impact of asteroids to mars surface. Polar caps of ice Subsurface finds of reservoirs of water

Possibility * Organic and carbon compounds Nano fossils Geological changes Weather changes Co2 instead of H2o in liquid form.

Discovery of the mineral hematite Mars Global Surveyor discovered a large exposure of the mineral in Eagle Crater. Opportunity was sent to this location for further exploration.

Opportunity lands on Eagle Crater Minerals identified and mapped by rovers. Among these hematite which often forms in the presence of water. Also Goethite which only forms when water is involved.

Blueberries Hematite inclusions discovered by Opportunity. Embedded in the rocks and were released over time by erosion. These blueberries are spread out evenly inside the rocks.

Victoria Crater Larger and deeper than Eagle Crater. Presence of sulfur-rich materials throughout study area which indicates acidic watery environments.

Columbia Hills It is located in GUSEV Crater. Spirit used its RAT to locate sulfur. The rock was named Peace after Martin Luther King. Probable evidence of past alteration by water.

Endeavour Crater Curiosity part of the Mars Exploration Project. There was clay with smectites that form in pH neutral water. This is evidence that the water was consumable.

Works Cited accessed Jan. 28 th, accessed Jan. 28 th, Mcewen, Alfred S.1. "Mars In Motion." Scientific American (2013): General Science Full Text (H.W. Wilson). Web. 16 Jan accessed Jan. 28 th, Hubbard, Scott. Exploring Mars: Chronicles from a Decade of Discovery. Tucson: University of Arizona Press, 2011.Web. Barlow, Nadine G. Mars: An Introduction to Its Interior, Surface and Atmosphere. Cambridge, UK: Cambridge University Press, Web.