Monday, May 8, 2017

Space Shuttle Discovery's main engine launch sequence on February 24, 2011 (STS-133). The sparks coming into the frame at lower-left are used to ignite the liquid hydrogen - liquid oxygen propellants. [2336 × 3036]


http://bit.ly/2qJo3sD via /r/spaceporn http://bit.ly/2pmPlA7