Cosmic superlens gives telescopes a boost

Galaxy cluster’s immense gravity magnifies the light of distant objects

Abell 2744

MAPPING A COSMIC LENS  The strong gravity of galaxy cluster Abell 2744 magnifies (color) and elongates (gray lines) light from galaxies that lurk in the very distant universe.

 

M. Bradac/UCD, D. Coe/STScI

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