A line of objects glowing in the sky over some Massachusetts towns startled some residents Monday night.Several viewers shared video of what appeared to be a string of lights flying in the night sky.“Migrating geese?" a viewer in Plymouth is heard saying in a video shared with NewsCenter 5."With their headlights on? What is this?" another person questions. Well, it wasn’t a flock of geese or aliens – it was SpaceX Starlink Satellites, which help provide internet worldwide.On Saturday, the SpaceX Falcon 9 rocket launched from Cape Canaveral, carrying 52 Starlink satellites to orbit. It was visible in New England.Just under nine minutes later, the Falcon 9's first stage returned to Earth, touching down on the SpaceX drone ship barge in Port Canaveral.