the XB-1. The XB-1, ... With the XB-1 paving the way and the Overture poised to take flight, the dream of supersonic passenger travel is no longer a distant vision—it’s a fast-approaching reality.
However, at present no asteroid is ranked above one on the Torino Scale - a chart which ranges from 0 (won't hit Earth) to 10 (will hit Earth, and will be catastrophic) ... No one has observed 1979 XB in 40 years and so its orbit is poorly understood.
BoomSupersonic, the company building the world’s fastest airliner — Overture, recently announced that it completed several milestones for its technology demonstrator single-seat aircraft XB-1, which is currently completing flight test preparations.
But it's difficult to get a clear picture of COVID-19 transmission because health officials dismantled surveillance systems after the disease was declared no longer a public health emergency.
The National Testing Agency (NTA) recently clarified that no cut off date for SC\/ST certificate in favour of concerned candidates has been stipulated ...Para (1) and para (2) of Appendix-XB in the ...