Q&A with George Ricker, principal investigator for the TESS mission (members only)

The Koreasat-6A mission took off from Launch Complex 39 A at at NASA’s Kennedy Space Center at 12:22 p.m. EST (1722 UTC).

The Starlink 17-30 mission sent the batch of satellites into a polar low Earth orbit. Liftoff of the Falcon 9 rocket from pad 4E at Vandenberg Space Force Base happened at 9:47:29 p.m. PST (12:47:29 a.m. EST / 0547:29 UTC).

A SpaceX Dragon supply ship departed the International Space Station and returned to Earth Tuesday to conclude its third round-trip flight to the orbiting research outpost, bringing home a spacesuit, mice and and numerous experiments.