The two zig-zag paths, D and F, are marked in pink and blue respectively. The deflectors cause two sets of sharp turns, while the smooth curvature seen in all paths is due to the expansion of space.

The Einstein zig-zag could help answer big questions, like how fast the universe is expanding and what dark energy really is. At the heart of this system, labeled J1721+8842, lies a single quasar.

This is China-based Tecno’s second attempt at a tri-fold phone. The company previously showed videos of its Z-style tri-fold ...

The James Webb Space Telescope has identified the first-ever "Einstein zig-zag," a distant quasar lensed six times by two precisely aligned galaxies that could help tackle a cosmological crisis.

Space Astronomy Cosmology James Webb telescope uncovers 1st-ever 'Einstein zig-zag' hiding in plain sight — and it could help save cosmology News By Harry Baker published November 19, 2024 ...