Mars Science Laboratory's Project Scientist Discusses Lakebed Sediments

August 19, 2009

John Grotzinger is standing at the face of a cliff and in discussion with two other team members. The cliff, which is beige and gray in color, has many layers in the rocks. Ken Edgett, wearing a baseball hat with a red handkerchief hanging out the back to protect his neck from the sun, is taking close-up pictures of the cliff with a small black camera.