Space telescope spots rare 'Einstein ring' of light

This photo provided by the European Space Agency shows a close-up view of the center of the NGC 6505 galaxy, with the bright Einstein ring aligned with it, captured by European Space Agency's Euclid space telescope.

Europe's Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a galaxy 590 million light-years away, considered close by cosmic standards.