CNN CNN Newsroom With Brooke Baldwin September 28, 2015 18:39:00
>> i'm turning to rachel. if you want to ask him a question, but my question to you would be in terms of sending people to mars, how would this mega piece of information change that mission? >> it's really important to keep planetary protection in mind. we don't want to contaminate the planets we go to. they are not sanitized properly. but in terms of the journey to mars, which is going to happen in the 2030s, that architecture hasn't been determined yet. so findingly kwid water on mars, it could be a game changer. it could be used for rocket fuel. it could be used for radiation protection. yo...
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