Suborbital space plane VSS Unity completes 2nd supersonic flight
The suborbital space plane of Virgin Galactic, VSS Unity, came back from its second successful supersonic flight above the Mojave Desert of California, in the United States on May 29, 2018. Using its rocket engine for 31 seconds, the aircraft reached a top speed of Mach 1.9 and an altitude of about 35 kilometers. To […]
