In Wheeler's experiment the two huge galaxies substitute for the pair of slits; the quasar is the light source. (discovermagazine.com)
Is it not possible that God may have chosen our insignificant little planet, located on the outer rim of a huge galaxy, to be the Galilee of the cosmos?» (faith.org.uk)
FAR OUT The gravity of the huge galaxy cluster MACS J1149 bent the light from a bright blue star (one of the faint points of light just above and to the left of the super bright central star in this image), letting it reach us from 9 billion light - years away. (sciencenews.org)