H20 at the phoenix landing site

Peter Smith, L. K. Tamppari, R. E. Arvidson, D. Bass, D. Blaney, William V. Boynton, A. Carswell, D. C. Catling, B. C. Clark, T. Duck, E. DeJong, D. Fisher, W. Goetz, H. P. Gunnlaugsson, M. H. Hecht, V. Hipkin, J. Hoffman, S. F. Hviid, H. U. Keller, S. P. KounavesC. F. Lange, M. T. Lemmon, M. B. Madsen, W. J. Markiewicz, J. Marshall, C. P. McKay, M. T. Mellon, D. W. Ming, R. V. Morris, W. T. Pike, N. Renno, U. Staufer, C. Stoker, P. Taylor, J. A. Whiteway, A. P. Zent

Research output: Contribution to journalArticle

327 Citations (Scopus)

Abstract

The Phoenix mission investigated patterned ground and weather in the northern arctic region of Mars for 5 months starting 25 May 2008 (solar longitude between 76.5° and 148°). A shallow ice table was uncovered by the robotic arm in the center and edge of a nearby polygon at depths of 5 to 18 centimeters. In late summer, snowfall and frost blanketed the surface at night; H2O ice and vapor constantly interacted with the soil. The soil was alkaline (pH = 7.7) and contained CaCO3, aqueous minerals, and salts up to several weight percent in the indurated surface soil. Their formation likely required the presence of water.

Original languageEnglish (US)
Pages (from-to)58-61
Number of pages4
JournalScience
Volume325
Issue number5936
DOIs
StatePublished - Jul 3 2009

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Soil
Ice
Arctic Regions
Mars
Weather
Robotics
Minerals
Salts
Weights and Measures
Water

ASJC Scopus subject areas

  • General
  • Medicine(all)

Cite this

Smith, P., Tamppari, L. K., Arvidson, R. E., Bass, D., Blaney, D., Boynton, W. V., ... Zent, A. P. (2009). H20 at the phoenix landing site. Science, 325(5936), 58-61. https://doi.org/10.1126/science.1172339

H20 at the phoenix landing site. / Smith, Peter; Tamppari, L. K.; Arvidson, R. E.; Bass, D.; Blaney, D.; Boynton, William V.; Carswell, A.; Catling, D. C.; Clark, B. C.; Duck, T.; DeJong, E.; Fisher, D.; Goetz, W.; Gunnlaugsson, H. P.; Hecht, M. H.; Hipkin, V.; Hoffman, J.; Hviid, S. F.; Keller, H. U.; Kounaves, S. P.; Lange, C. F.; Lemmon, M. T.; Madsen, M. B.; Markiewicz, W. J.; Marshall, J.; McKay, C. P.; Mellon, M. T.; Ming, D. W.; Morris, R. V.; Pike, W. T.; Renno, N.; Staufer, U.; Stoker, C.; Taylor, P.; Whiteway, J. A.; Zent, A. P.

In: Science, Vol. 325, No. 5936, 03.07.2009, p. 58-61.

Research output: Contribution to journalArticle

Smith, P, Tamppari, LK, Arvidson, RE, Bass, D, Blaney, D, Boynton, WV, Carswell, A, Catling, DC, Clark, BC, Duck, T, DeJong, E, Fisher, D, Goetz, W, Gunnlaugsson, HP, Hecht, MH, Hipkin, V, Hoffman, J, Hviid, SF, Keller, HU, Kounaves, SP, Lange, CF, Lemmon, MT, Madsen, MB, Markiewicz, WJ, Marshall, J, McKay, CP, Mellon, MT, Ming, DW, Morris, RV, Pike, WT, Renno, N, Staufer, U, Stoker, C, Taylor, P, Whiteway, JA & Zent, AP 2009, 'H20 at the phoenix landing site', Science, vol. 325, no. 5936, pp. 58-61. https://doi.org/10.1126/science.1172339
Smith P, Tamppari LK, Arvidson RE, Bass D, Blaney D, Boynton WV et al. H20 at the phoenix landing site. Science. 2009 Jul 3;325(5936):58-61. https://doi.org/10.1126/science.1172339
Smith, Peter ; Tamppari, L. K. ; Arvidson, R. E. ; Bass, D. ; Blaney, D. ; Boynton, William V. ; Carswell, A. ; Catling, D. C. ; Clark, B. C. ; Duck, T. ; DeJong, E. ; Fisher, D. ; Goetz, W. ; Gunnlaugsson, H. P. ; Hecht, M. H. ; Hipkin, V. ; Hoffman, J. ; Hviid, S. F. ; Keller, H. U. ; Kounaves, S. P. ; Lange, C. F. ; Lemmon, M. T. ; Madsen, M. B. ; Markiewicz, W. J. ; Marshall, J. ; McKay, C. P. ; Mellon, M. T. ; Ming, D. W. ; Morris, R. V. ; Pike, W. T. ; Renno, N. ; Staufer, U. ; Stoker, C. ; Taylor, P. ; Whiteway, J. A. ; Zent, A. P. / H20 at the phoenix landing site. In: Science. 2009 ; Vol. 325, No. 5936. pp. 58-61.
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AU - Ming, D. W.

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