11 Modern Cosmology
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Fig. 11.1 Gravitational lensing between pairs of galaxies. The upper image shows
a bridge between neighbouring galaxies which is absent in the results from wellseparated galaxies (lower image). Image courtesy OUP (Image source: Seth D. Epps,
Hudson, Michael J. The weak-lensing masses of filaments between luminous red
galaxies (Mon. Not. R. Astron. Soc. 468 (3): 2605–2613, 2017, Fig. 3)