Universe: Royal Observatory Greenwich Illuminates

Given that it includes literally everything in existence, it's not surprising that the Universe is the source of some of the greatest mysteries in physics. How big is it? How did it begin? And, perhaps more worryingly, how will it end? Through cosmology, the study of the evolution and structure of the Universe, experts have been attempting to untangle these tricky topics for centuries. They have found the faint traces of the Big Bang and shown that our Universe is expanding at a phenomenal ...