The universe rarely fails to amaze. One of its latest surprises—nicknamed the “Einstein zig-zag”—reveals a stunning arrangement of galaxies and a distant quasar. Together, they produce a gravitational ...
Astronomers have observed the first confirmed instance of the "Einstein zig-zag," a phenomenon where light from a distant quasar bends in a zig-zag pattern after passing through two regions of warped ...
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