Surprise” might be an understatement to describe amateur astronomer Phil Williams’ reaction upon being told that the ghostly radio signal he had detected was, in fact, coming from a satellite that had failed and disappeared decades ago. Williams told Southgate Amateur Radio News that the signal he detected from his base in Cornwall seemed to cycle every four seconds, diminishing and returning to create an eerie repetitive sound. It would later be determined that the fluctuation was the result of the long-lost satellite barreling end over end through the void of space, causing variations in the light reaching the solar...