The rare document, which records attempts to explain an anomaly in the orbit of Mercury, is ‘a fascinating dive into the mind of the greatest scientist of the 20th century’A crucial series of Albert Einstein’s calculations, scrawled down as the physici…
Astronomers detect light behind black hole for first time
Telescope picks up unexpected ‘luminous echoes’ – smaller, later and of different colour to bright flaresAstronomers have detected light behind a black hole deep in space for the first time.Bright flares of X-rays were spotted bursting from a supermass…