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February 15, 2025 Link Blog

Extremely rare ‘Einstein ring’ discovered close to Earth

The Euclid space telescope’s findings support a cosmic phenomenon first predicted by Albert Einstein.

The European Space Agency’s (ESA) Euclid space telescope has discovered an extremely rare Einstein ring. Einstein rings of light are produced when two galaxies are almost perfectly aligned, with one behind the other from a fixed perspective. They are one of the best examples we have of gravitational lensing–a phenomenon that Albert Einstein predicted in 1915. The ring and other findings are detailed in a study published February 10 in the journal Astronomy and Astrophysics.

By way of Popular Science

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