Dec. 23 (UPI) -- Shortly after midnight on Monday, SpaceX launched a new round of 21 Starlink satellites into lower Earth orbit, 13 of which can contact cell phones directly. The Falcon 9 rocket blasted off from the Kennedy Space Center in Florida at 12:35 a.m., EDT. The first stage, making its 15th trip, landed safely on the drone ship "Just Read the Instructions" about eight minutes after the launch. Seven of the 15 flights were related to Starlink missions. Advertisement The satellites were