TIL of the Einstein Cross. It’s a quasar directly behind a galaxy and due to gravitational lensing, it appears as 4 images of the quasar around the galaxy via /r/spaceporn http://bit.ly/2YKtYuK
via Tumblr http://bit.ly/2W6evIy
TIL of the Einstein Cross. It’s a quasar directly behind a galaxy and due to gravitational lensing, it appears as 4 images of the quasar around the galaxy via /r/spaceporn http://bit.ly/2YKtYuK
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