T-38C Passes in Front of the Sun at Supersonic Speed

Hello guys, We're here with some new information from NASA :
An Air Force Test Pilot School T-38C passes in front of the sun at a supersonic speed, creating shockwaves that are caught photographically for research. NASA is using a modern version of schlieren imagery to visualize supersonic flow phenomena with full-scale aircraft in flight. The results will help engineers design a quiet supersonic transport.

from NASA http://ift.tt/1YrJhlF
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