Telescope image of galaxies and gravitational lensing
A detail of the universe from the Euclid mission. Photograph: ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre and E. Bertin, CC BY-SA 3.0 IGO
A detail of the universe from the Euclid mission. Photograph: ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre and E. Bertin, CC BY-SA 3.0 IGO
European survey reveals 900m galaxies – and possibly secrets of ‘dark universe’

Unprecedented view of cosmos provided by Euclid mission throws up many more cases of gravitational lensing