Known as an Einstein ring, the halo was captured in photos encircling a galaxy nearly 590 million light-years away, which is considered close by cosmic standards. A single light-year is measured at 5.8 trillion miles.
While astronomers have known about the galaxy where the phenomenon was captured for over a century, they were surprised when Euclid revealed the bright glowing ring,
Euclid blasted off from Cape Canaveral, Florida on July 1, 2023, to begin a six-year mission to explore the dark universe.
