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The Einstein Cross seen in the picture is?

galaxy

magnetar

quasar

pulsar

The four bright objects surrounding it are actually multiple images of a single quasar that lies far beyond the galaxy. The lens was named the Einstein Cross in honor of Albert Einstein, whose relativity theory predicted the phenomena decades before the first gravitational lens was observed in 1979.

Ts

3

NASA, ESA, and STScI wikipedia → Einstein Cross

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