The search for ‘another Earth’ has been a staple of science fiction for decades, and now a group of astronomers hope to discover one on our galactic doorstep.
Alpha Centauri is a triple star system just over four light years from the Earth, split into a pair of sun-like stars known as AB, and a red dwarf called Proxima Centauri.
So far planets have only been found orbiting Proxima Centauri, but experts from the University of Sydney and Breakthrough Initiatives