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NASA releases radar image video of asteroid 2012 DA14

21 Feb 2013, 10:43 UTC
NASA releases radar image video of asteroid 2012 DA14
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A film sequence of radar images of asteroid 2012 DA14 during its close pass of Earth on 15 February has been released by NASA. The imagers were obtained using the 70m diameter Deep Space Network antenna at Goldstone, California as the 4m long asteroid moved away from the Earth. Each of the 72 frames required 320 seconds of data collection by the Goldstone radar. The images have been looped nine times for the video and clearly show the object was rotating. The resolution is only 4m per pixel.


Rotating asteroid as radar imaged by Goldstone antenna Courtesy: NASA/JPL

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