European survey reveals 900m galaxies â and possibly secrets of âdark universeâ
<p>Unprecedented view of cosmos provided by Euclid mission throws up many more cases of gravitational lensing</p><p>A mission to create the largest ever 3D map of the universe has revealed more than 900m galaxies in its first major data release together with about 15,000 potential cases of a phenomenon that could help unlock the secrets of the âdark universe