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View Full Version : The Puzzle of Planetary Protection



Fraser
2015-Oct-28, 06:20 PM
The recent announcement by NASA confirming the presence of liquid water on Mars pulls planetary protection into the spotlight and is causing some serious head-scratching in the scientific community. On the one hand, having existing liquid water on the Red Planet is a cause for wonder, excitement, and a strong desire to investigate it in […]

More... (http://www.universetoday.com/123029/the-puzzle-of-planetary-protection/)