Metal Detectorist Stumbled on an Oval Gold Ring Depicting Virgin Mary Holding Baby Jesus From 15th Century For most metal ...

A close-up view of the centre of the NGC 6505 galaxy, with the bright Einstein ring around its nucleus, captured by ESA’s Euclid space telescope.   The Einstein ring is formed by gravitational lensing ...

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...