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Water at the Phoenix landing site.

The University of Arizona., Optical Sciences.

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Water at the Phoenix landing site.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Water at the Phoenix landing site./
作者:	Smith, Peter Hollingsworth.
面頁冊數:	38 p.
附註:	Advisers: James C. Wyant; Michael J. Drake.
Contained By:	Dissertation Abstracts International70-04B.
標題:	Atmospheric Sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3352355
ISBN:	9781109091403

Water at the Phoenix landing site.
Smith, Peter Hollingsworth.

Water at the Phoenix landing site. - 38 p.

Advisers: James C. Wyant; Michael J. Drake.

Thesis (Ph.D.)--The University of Arizona, 2009.

The Phoenix mission investigated patterned ground and climate in the northern arctic region of Mars for 5 months starting May 25, 2008. A shallow ice table was uncovered by the robotic arm in a nearby polygon's edge and center at depths of 5-15 cm. In late summer snowfall and frost blanket the surface at night; water ice and vapor constantly interact with the soil. Analysis reveals an alkaline Ph with CaCO3, aqueous minerals, and salts making up several wt% of the soil; liquid water is implicated as having been important in creating these components. In combination with the oxidant perchlorate (~1 wt%), an energy source for terrestrial microbes, and a prior epoch of higher temperatures and humidity, this region may have been a habitable zone.

ISBN: 9781109091403Subjects--Topical Terms:

1019179
Atmospheric Sciences.

Water at the Phoenix landing site.
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