17 December 2018
Innovative mission to view the surface of exoplanets using small sats
...can ‘see’ this once obscured background target. The lensed object then appears to an observer on Earth as a ring - a phenomena known as an Einstein ring. The SGL will work on a similar principle. As light from the distant world approaches our nearest...
22 June 2018
Most precise test of Einstein’s general relativity outside Milky Way
... gravitational lens, distorting light from a distant galaxy behind it. This light can be bent into a ring – aptly called an Einstein ring – which allows astronomers to measure how light, and therefore spacetime is being distorted by the intervening...
