13:12 GMT +316 February 2019
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    Artist’s impression of the Trace Gas Orbiter (TGO, top left) and the entry, descent and landing demonstrator module, Schiaparelli (middle), and the ExoMars rover (bottom right)

    Beyond Ikea: Swedish Gadget to Harvest Water on Martian Surface

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    Curiosity Mars rover mission (7)
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    For the first time in history, a Swedish-made gadget is going to be placed on the surface of Mars. This will be Sweden's contribution to the joint EU-Russian space mission ExoMars 2020, which is aimed at establishing whether life has ever existed on the Red Planet.

    Scientists in the northern Swedish city of Kiruna are busy constructing an instrument to collect liquid water off the surface of Mars. Preparations for the Mars trip are underway in earnest, albeit in the Kiruna Mountains, where the UV radiation is about as close to that experienced on the surface of Mars as you can get here on Earth.

    ​"This is the first stage of the Mars journey. Now, we are in the Abisko National Reserve. Next step is Iceland and then we are off to the Himalayas," Professor Javier Martín Torres told Swedish Radio, citing the dryness of air and the high UV radiation as reasons why the locations were picked.

    ​Javier Martín Torres leads the research at the Kiruna department of Luleå University, which developed the HABIT gadget (Habitability, Brine Irradiation and Temperature package), which is thought to be able to function as some sort of mini water plant during the European-Russian Mars expedition in a few years.

    ​The gadget itself is no bigger than a table tennis racket, yet may prove instrumental in future manned expeditions to Mars, due to the sheer importance of water.

    The current data collected by NASA's rover Curiosity, which landed on Mars in 2012, suggests that special salts on the Red Planet may hypothetically be able to absorb water vapor from the atmosphere to form a kind of brine that does not freeze despite average temperatures of about minus 60 degrees.

    "However, even if Kiruna researchers succeed in demonstrating how droplets of liquid water can be collected, the challenge of producing clean water from the brine on a larger scale remains," Javier Martín Torres said.

    ExoMars is a joint EU-Russian mission, run by Russia's Roscosmos and the European Space Agency (ESA). Its main goal is to establish if life ever existed on Mars by investigating its environment. The next stage includes launching a rover on Mars that will carry out drills to promote exobiology and geochemistry research.

    Mechanical model of the groundbreaking new multi- instrument HABIT to be placed on the surface of Mars
    © Photo : A. Soria-Salinas/Luleå Tekniska Universitet
    Mechanical model of the groundbreaking new multi- instrument HABIT to be placed on the surface of Mars
    Curiosity Mars rover mission (7)


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