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- The new space race: why we need a human mission to Mars https://theconversation.com/the-new-space-race-why-we-need-a-human-mission-to-mars-73757?utm_medium=email&utm_campaign=latest%20from%20the%20conversation%20for%20june%2016%202017%20-%2076305987&utm_content=latest%20from%20the%20conversation%20for%20june%2016%202017%20-%2076305987+cid_b688c6a00e450ebf98bf504fe21e06e9&utm_source=campaign_monitor&utm_term=the%20new%20space%20race%20why%20we%20need%20a%20human%20mission%20to%20mars 8 comments space