SpaceX Falcon 9 rocket sends Starlink satellites to orbit a day after rare launch abort

Twenty-four Starlink satellites reached low Earth orbit on Tuesday (July 21), a day later than originally scheduled due to a last-second rocket engine abort.SpaceX at first tried to launch the broadband internet relay units on a Falcon 9 rocket on Monday morning (July 20), but an unexpected engine cutoff at the point of ignition scrubbed the day's attempt. The company did not provide a reason for the abort.By Tuesday, whatever the problem was had been addressed and the Falcon 9 was ready to fly.