What are Einstein Rings?

Einstein Rings are a type of gravitational lensing in which the light from a galaxy or star passes a large object, like another galaxy or black hole, and is bent around it. If the alignment is right, the light appears as a ring around the large object.

The galaxy or black hole closest to the observer acts as a lens, bending the light from the galaxy further away.

More astronomy questions and answers

How big is the solar system?

How does the universe expand?

How old is the Milky Way?

What is the Big Bang Theory?

Last Updated on March 28, 2025 by Emma Vanstone

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