Watch the Falcon 9 launch from pad 39A

SpaceX currently has more than 9,500 Starlink satellites in low Earth orbit. Liftoff of the Starlink 17-19 mission from pad 4E at Vandenberg Space Force Base happened at 9:53:20 a.m. PST (12:53:20 p.m. EST / 1753:20 UTC).

Mike Suffredini, manager of NASA’s International Space Station program, is stepping down after 10 years overseeing the lab’s final assembly and transition to post-shuttle operations, the agency said Wednesday. Kirk Shireman, deputy director of the Johnson Space Center, will take over as program manager.

From a perch more than 250 miles up, astronaut Scott Kelly got a bird’s-eye view of this week’s spectacular auroral display that enraptured skywatchers around the world.