Wow!! Big day, space fans! 2nd @SpaceX engine test today from 6:08:31 - 6:09:51 pm CST. Shorter duration but incredible strength- indeed it was a [window] rattler! (Hopefully... we’ll all receive much better details than these tonight from a certain sir- @elonmusk)Til then🤞✨🚀

— Reagan Beck (@bluemoondance74) February 9, 2019