An international team of astronomers has studied ultramassive galaxies – galaxies containing more than 100 billion stars – as they existed when the universe was less than 2 billion years old. The results show that while some of these ultramassive…
An international team of astronomers has studied ultramassive galaxies – galaxies containing more than 100 billion stars – as they existed when the universe was less than 2 billion years old. The results show that while some of these ultramassive…