First-Ever ‘Einstein Zig-Zag’ Found in Space Could Help Solve the Universe’s Expansion Mystery <img width="1500" height="1000" src="https://gizmodo.com/app/uploads/2024/11/abell-gravitational-lens.jpg" alt="The galaxy cluster Abell 370, a gravitational lens 4 billion light-years away.">A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy. https://gizmodo.com/first-ever-einstein-zig-zag-found-in-space-could-help-solve-the-universes-expansion-mystery-2000525039