Joel Levine: Why we need to go back to Mars
"I want to talk about 4.6 billion years of history in 18 minutes. That's 300 million years per minute. Let's start with the first photograph NASA obtained of planet Mars. This is fly-by, Mariner IV. It was taken in 1965. When this picture appeared, that well-known scientific journal, The New York Times, wrote, in its editorial, "Mars is uninteresting. It's a dead world. NASA should not spend any time or effort studying Mars anymore." Fortunately our leaders in Washington at NASA headquarters knew better. And we began a very extensive study of the red planet...'
Joel Levine ( Interactive Transcript) on: ted.com
Colonizing Mars | The Human Mission to the Red Planet
NASAWorld Book at NASA | Mars nasa.gov
Mars Exploration program (The Martian Mystique and Just for Kids) mars.jpl.nasa.gov
Road Trip to Mars, Sex Included
Mars exploration rover mission ( 3D Images)