Tardigrades survive exposure to space in low Earth orbit
Jönsson, K. Ingemar and Rabbow, Elke and Schill, Ralph O. and Harms-Ringdahl, Mats and Rettberg, Petra (2008) Tardigrades survive exposure to space in low Earth orbit. Current Biology, 18, . Cell Press.
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Vacuum (imposing extreme dehydration) and solar/galactic cosmic radiation prevent survival of most organisms in space . Only anhydrobiotic organisms, which have evolved adaptations to survive more or less complete desiccation, have a potential to survive space vacuum, and few organisms can stand the unfiltered solar radiation in space. Tardigrades, commonly known as water-bears, are among the most desiccation and radiation-tolerant animals and have been shown to survive extreme levels of ionizing radiation [2, 3, 4]. Here, we show that tardigrades are also able to survive space vacuum without loss in survival, and that some specimens even recovered after combined exposure to space vacuum and solar radiation. These results add the first animal to the exclusive and short list of organisms that have survived such exposure.
|Title:||Tardigrades survive exposure to space in low Earth orbit|
|Journal or Publication Title:||Current Biology|
|In ISI Web of Science:||Yes|
|Keywords:||Tardigrades, exposure to space, survival, solar/galactic cosmic radiation, Vacuum|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research area:||Space|
|DLR - Program:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||W - Vorhaben Strahlenbiologie (old)|
|Institutes and Institutions:||Institute of Aerospace Medicine > Radiation Biology|
|Deposited By:||Kerstin Kopp|
|Deposited On:||15 Oct 2008|
|Last Modified:||27 Apr 2009 15:16|
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