Contact: Simon White
swhite@mpa-garching.mpg.de
49-893-000-02211
Max-Planck-Gesellschaft
Caption: Fig. 2: The processes in the Universe after the Big Bang. The radio waves are much older than the light of galaxies. From the distortion of the images (curved lines) -- caused by the gravitation of material between us and the light sources -- it is possible to calculate and map the entire foreground mass.
Credit: Max Planck Institute of Astrophysics
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