6 Aug 2012


From Jesse Mulligan, 1–4pm, 2:10 pm on 6 August 2012

In just over three hours, NASA's spacecraft "Curiosity" is due to land on Mars. Joel Karjewski is the chief engineer at the Mars Science Laboratory. He's joining us from the Jet Propulsion Laboratory in Pasadena, where Curiosity's descent is being monitored.