Einstein rings occur when light from a distant galaxy bends to form a glowing ring around another object in the foreground as that object is being observed. The rarely observed rings are named for ...

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Europe's Euclid space telescope has detected a rare ring of bright light around a nearby galaxy, astronomers have said. The halo, known as an "Einstein ring," encircles a galaxy 590 million ...

Astronomers have known about this galaxy for more than a century and so were surprised when Euclid revealed the bright glowing ring, reported in the journal Astronomy and Astrophysics. An Einstein ...