Mars Water-Ice Clouds and Precipitation

@article{Whiteway2009MarsWC,
  title={Mars Water-Ice Clouds and Precipitation},
  author={James Whiteway and Leonce Komguem and Clive Dickinson and Curtis R. Cook and Mike Illnicki and Jeffrey A. Seabrook and Vlad Calin Popovici and Thomas J. Duck and Richard Davy and Peter A. Taylor and Jawahar Pathak and David A. Fisher and Allan I. Carswell and Michael G. Daly and Victoria J. Hipkin and Aaron P. Zent and Michael H. Hecht and Stephen E. Wood and Leslie K. Tamppari and Nilton De Oliveira Renno and John E. Moores and Mark T. Lemmon and Frank Daerden and P. H. Smith},
  journal={Science},
  year={2009},
  volume={325},
  pages={68 - 70}
}
Phoenix Ascending The Phoenix mission landed on Mars in March 2008 with the goal of studying the ice-rich soil of the planet's northern arctic region. Phoenix included a robotic arm, with a camera attached to it, with the capacity to excavate through the soil to the ice layer beneath it, scoop up soil and water ice samples, and deliver them to a combination of other instruments—including a wet chemistry lab and a high-temperature oven combined with a mass spectrometer—for chemical and… 

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The analysis of the data from the Phoenix mission revealed an alkaline environment, in contrast to that found by the Mars Exploration Rovers, indicating that many different environments have existed on Mars.
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