
The largest distant galaxy cluster has been spotted by astronomers using a telescope in Chile. Galaxy clusters are the largest stable structures n our Universe Seven billion light years away and with two million billion times the mass of our Sun, the cluster was nicknamed "El Gordo" - "the Fat One" in Spanish Astronomers reporting at the 219th American Astronomical Society meeting said El Gordo was currently undergoing a merger and growing even larger. Alongside other clusters highlighted at the meeting, astronomers hope to better understand how they form, grow and collide with one another.