Look: Hubble captures rare Einstein Ring phenomenon

If you guessed two galaxies, you’re right. Those are the dots in the center of the ring.

But what are the other four bright spots of light circling around them?

The ring’s four bright specks are nothing but reflected light.

They’re visible thanks to a phenomenon called gravitational lensing.

Einstein Rings are perhaps the clearest way to observe this phenomenon.

They only occur when two objects are perfectly aligned — one behind the other, from our vantage point.

And there’s another piece to this visual trick: a massive quasar is nested in the very center of the ring, illuminating the entire cluster.

There’s a lot more to those distant specks of light than what first meets the eye.

And you can thank Einstein for the explanation.