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Space.com on MSNBoom Supersonic's XB-1 jet flew in front of the sun so NASA could take this incredible shock wave photo"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
Boom Supersonic announced Monday that its airliner could fly above Mach 1 without producing a sonic boom audible from the ground. As Concorde could only fly supersonic over water, this discovery ...
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