A Human-Made Satellite Shines Brightly in the Night Sky
A prototype satellite, known as BlueWalker 3, has emerged as one of the brightest objects in the night sky, raising concerns among astronomers about the increasing presence of private space ventures in low-Earth orbit. Launched by AST SpaceMobile in September 2022, BlueWalker 3 boasts a large antenna array of nearly 700 square feet, making it…