Steve Squyres on Why Humans Should Go to Mars

The principal scientist in charge of Spirit and Opportunity explains how he fell in love with Mars and why humans need to go

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American astronomer and planetary scientist Steve Squyres, the principal scientist in charge of Mars exploration rovers Spirit and Opportunity, explains how he fell in love with Mars and why humans need to go there.

Photo: NASA/ Langley Research Center
This Viking Orbiter 1 image shows a sunrise over one of Mars high plateau regions. The white areas are bright clouds of water ice.
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