A distant galaxy more massive than our Milky Way—with more than a trillion stars—has revealed that the ‘cores’ of massive galaxies in the Universe had formed already 1.5 billion years after the Big Bang, about 1 billion years earlier than previous measurements revealed.
Click here for original story, The ‘cores’ of massive galaxies had already formed 1.5 billion years after the Big Bang
Source: Phys.org