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 ...
Euclid blasted off on its six-year mission to explore the dark universe on 1 July 2023. Before the spacecraft could begin its ...
"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.