Wednesday, July 1, 2009

Speaking of shockwaves...

I didn't know these had another name; turns out they're otherwise known as shock diamonds, Mach diamonds, Mach disks, or dancing diamonds.
A statically mounted Pratt & Whitney J58 engine with full afterburner on disposing of the last of the SR-71 fuel prior to program termination. The bright areas seen in the exhaust are known as shock diamonds.

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