Share the news to friends and circles of friends with wechat scanning QR code < / P > < p > on October 22. In the morning of Friday, Beijing time, American space exploration technology company SpaceX conducted two static ignition tests on the Starship prototype SN20, which is a major milestone before the aircraft enters orbit p> < p > the SN20 with a height of about 50m is currently equipped with two Raptor engines, one sea level engine (Standard Version) and one vacuum engine. At 8:16 p.m. EST on Thursday (8:16 a.m. Beijing time on Friday), SpaceX conducted its first static ignition test, but only the vacuum engine may have been started at that time p> < p > about half an hour after the test, SpaceX confirmed through Twitter that its vacuum engine had ignited. According to the company, this is the first time to integrate a vacuum Raptor engine into a starship for such a test p> < p > at 9:18, SN20 conducted the second static ignition test. This time, the flame is brighter, and both engines may be ignited. SN20 will eventually be equipped with six Raptor engines, including three sea level engines and three vacuum engines. SpaceX is preparing for its first orbital flight test in the coming months p> < p > although Thursday is the first static ignition test of SN20, SpaceX has previously conducted a shorter pre burner ignition test on its engine, which heats and mixes the liquid methane and liquid oxygen propellants of Raptor engine. (small) < / P > < p >