NASA Roman Space Telescope: SpaceX Second Stage Burn Begins
The Merlin Vacuum engine on the SpaceX Falcon Heavy’s second stage has restarted for its second burn, known as second-stage engine start 2, or SES-2. The burn is expected to last around two minutes. Second-stage engine cutoff, or SECO-2, is expected at about T+8 minutes, 28 seconds. NASA’s Nancy GraceContinue Reading












