Unlike the dark side and extremely cold South Pole of the moon where Chandrayaan-3 soft-landed its ‘Vikram’ landing vehicle, from where the ‘Pragyan’ rover wheeled out, it was brightness and joy unbounded at the ISRO Telemetry Tracking and Command Network at Bengaluru’s Peenya as India burst into raptures on Wednesday afternoon
have flown further. today s jet engines have trouble going faster than two or three times the speed of sound. because their rotating parts would get too hot. the imagine that powered wave rider had virtually no moving parts. it s called a scramjet engine. air is allowed to flow through super sonically and that hot air is mixed with jet fuel. and lit on fire at just the right moment to create propulsion. a truly astonnicing feat in aviation. it is likened to lying a match in a blowing hurricane. with the scram yjescramjet, not flying super sonically, but hypersonically, five times the sound barrier. the air force research sound