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This website requires the 'flash player' version 9 or higher. You can download that software (for free) at http://www.adobe.com/go/getflashplayer.
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This website requires the 'flash player' version 9 or higher. You can download that software (for free) at http://www.adobe.com/go/getflashplayer.
Details
Spacewalkers Test Planetary Protection Concept
On March 19th, astronauts onboard the International Space Station checked themselves for microbes before stepping outside on a space walk. It was a first-ever test of planetary protection technology that, one day, could keep humans from contaminating the sands of Mars.
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