Last frontier
7 Décembre 2014 , Rédigé par Bernard Andrieu
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Astronauts lift our spirits. But can we afford to send humans into space?
Robin McKie: The success of the Orion spacecraft test flight has paved the way for America to carry humans to Mars and beyond. Yet many scientists say that manned missions are expensive and ...
http://www.theguardian.com/science/2014/dec/07/can-we-afford-to-send-humans-into-space
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