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The Einstein ring is a beautiful consequence of the theory of relativity.

In fact, this photo shows hundreds and even thousands of galaxies. Before us - a rare and impressive phenomenon, which is called the ring of Einstein. It occurs when the gravity of a massive body bends space-time around itself so much that electromagnetic radiation deviates from direct trajectories.

A massive object that so strongly affects gravity is called a gravitational lens. In this Hubble image, the role of the gravitational lens is performed by a part of the space cluster SDSS J0146-0929, consisting of a large cluster of galaxies. Their images can be seen at the edges of this elegant and rare gravitational lens.

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