Here is a look at some of the key milestones for today's IXPE launch: Mission Timeline (all times approximate) LAUNCH AND SPACECRAFT DEPLOYMENT Time Events 1 a.m. EST Liftoff T+153 sec First stage main engine cutoff (MECO) T+156 sec First and second stages separate T+164 sec Second stage engine start 1 …
Key Launch Day Milestones for NASA’s IXPE
