SpaceX's Starship SN4 launch vehicle prototype explodes after static engine fire test
12:08pm PDT - May 29th, 2020 spacex explosion - TechCrunchSpaceX had just conducted yet another static fire test of the Raptor engine in its Starship SN4 prototype launch vehicle on Friday when the test vehicle exploded on the test stand. This was the fourth static fire test of this engine on this prototype, so it's…