"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for ...
The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...
Named the Big Ring by the astronomers, it is made up of galaxies and galaxy clusters. They say that it is so big it challenges our understanding of the universe. It cannot be seen with the naked eye.
Nasa's Hubble Space Telescope has captured LEDA 1313424, a galaxy with nine star-filled rings, the most ever detected, ...
A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...
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