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Saturday
Aug042012


"It's called the seven minutes of terror. In just seven minutes, NASA's latest mission to Mars, a new six-wheeled rover called Curiosity, must go from 13,000 mph as it enters the Martian atmosphere to a dead stop on the surface."

"During those seven minutes, the rover is on its own. Earth is too far away for radio signals to make it to Mars in time for ground controllers to do anything. Everything in the system known as EDL — for Entry, Descent and Landing — must work perfectly, or Curiosity will not so much land as go splat."

"The team that invented the EDL system has spent nearly 10 years together, designing, building, testing, tweaking, retesting and retweaking. Now all they can do is sit and wait to see if their design works."

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