After 8 Billion Years, Mysterious Deep Space Radio Signal Reaches Earth NDTVMysterious deep-space radio signal reaches Earth after 8 billion years, leaving scientists puzzled MoneycontrolDeep space radio signal reaches Earth after 8 billion years Earth.comDeep space transmission reaches Earth 8 billion years later WKRC TV Cincinnati After 8 Billion Years, Mysterious Deep Space Radio Signal Reaches Earth NDTVMysterious deep-space radio signal reaches Earth after 8 billion years, leaving scientists puzzled MoneycontrolDeep space radio signal reaches Earth after 8 billion years Earth.comDeep space transmission reaches Earth 8 billion years later WKRC TV Cincinnati Top stories – Google News