As China pushes to take the global lead in building space-based solar power stations, a new study warns that powerful lasers beaming energy back to Earth could pose serious risks to other satellites in the increasingly crowded low-Earth orbit. If these beams miss their targets – because of tracking errors or system malfunctions – they could strike nearby spacecraft, overheat solar panels or trigger electrical discharges, according to a team from the Beijing Institute of Satellite Environment...
