Rachel explained that a lot of the research on the International Space Station is in the service of preparing for human space-flight to Mars. These talks, both by women working for NASA, offer two perspectives on our relationship with Mars. Astronomer Lucianne Walkowicz suggests the possibility of humans on Mars provides an opportunity for us to appreciate all the Earth has to offer. Engineer Nagin Cox operate the rovers we have exploring Mars, and has learned to talk about time in a whole new way- because she lives on Martian time.
