A unique pair of galactic lenses may help solve a cosmological riddle

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could help astronomers pin down how quickly the universe is expanding

​Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could help astronomers pin down how quickly the universe is expanding Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could help astronomers pin down how quickly the universe is expanding 

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