UWC scientists part of team that discovered megamaser Nkalakatha 5bn lightyears away from Earth iol.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iol.co.za Daily Mail and Mail on Sunday newspapers.
An international team of astronomers has detected a 'galactic space laser' shooting light beams at Earth from 5 billion light-years away. It is the most distant megamaser of its kind ever detected.