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An Extremely Rare Einstein Ring Hidden In Another Galaxy Close To Ours Was Recently Discovered
On July 1, 2023, Euclid, the European Space Agency's wide-angle telescope, embarked on its six-year mission to explore the dark universe. But before the spacecraft could begin surveying its ...
The Atlantic
A Warped View Through an Einstein Ring
Day 7 of the 2025 Space Telescope Advent Calendar: A Warped View Through an Einstein Ring. You are seeing two galaxies here, one in front of the other. The more distant spiral galaxy appears warped ...