Space.com on MSN6h
Boom 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." ...
A Plane Just Achieved Supersonic Flight Without the Sonic Boom
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
IFLScience on MSN6d
NASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic Boom
Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...
Space.com28d
Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
None of the three sonic booms generated by the XB-1 on Monday were audible from the ground, which helps to explain why Boom is so confident that supersonic passenger flight can come back.