Earlier this year, a California startup received approval to launch a 59-foot mirror into orbit. Two years later, the demonstration could redirect sunlight onto chosen points on Earth, allowing crews

A California startup just got FCC approval to test a 59-foot mirror satellite in orbit. The spacecraft, named Eärendil-1, will catch sunlight in space and beam it down to dark spots on Earth. It promises sunlight on demand to boost solar power long after sunset and illuminate nighttime work zones. Still, astronomers warn these artificial beams could disrupt nocturnal wildlife and clutter our night sky.