
In this 1957 photo, George Cooper, a test pilot for the National Advisory Committee for Aeronautics, or NACA, stands next to a North American F-100, a supersonic fighter tested by the NACA. via NASA https://ift.tt/hEwgfIi
The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period on Feb. 24, 2015. While some of the s...
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