A Solar System Internet? Space Laser Test Moves Us Closer
Scientists at the European Space Agency used a laser to communicate with a spacecraft 165 million miles (265 million kilometers) away in deep space for the first time, marking a major step forward in their efforts to build optical communication systems for future missions to the Moon and beyond. Scientists at the Kryoneri Observatory near Athens, Greece, shot a powerful laser at NASA’s Psyche mission, which then sent a return signal to the Helmos Observatory, which lies some 23 miles (37 km) aw