Date- 21st June 11 Source- http://www.nasa.gov/centers/goddard/home/index.html 'This video collage provides several views of the robotic lander prototype during its second free flight test. The lander is captured in flight from overhead and side mounted cameras in high definition and infrared video. The infrared video allows engineers to see how the vehicle is behaving thermally as well as how the thrusters pulse during test since the thruster plumes are invisible to the naked eye.'
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