The Einstein ring was found surrounding the galaxy NGC 6505, located a relatively close 590 million light-years from Earth.
It is a cosmic phenomenon that elegantly showcases the warping of space-time, a consequence of gravity predicted over a ...
"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.
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 ...