TALKING SPACE: Astronaut Colonel Pamela Melroy led her audience on a space shuttle experience to the ISS and beyond. Lots of humour on the way. 'Free' public lecture at the University of Adelaide on May 5, 2010. Humans in Mars in 20-30 years? That's what she thinks.

TALKING SPACE: Astronaut Colonel Pamela Melroy led her audience on a space shuttle experience to the ISS and beyond. Lots of humour on the way. 'Free' public lecture at the University of Adelaide on May 5, 2010. Humans in Mars in 20-30 years? That's what she thinks.