Many of the brightest blue images are of a single, unusual, beaded, blue, ring-like galaxy which just happens to line-up behind a giant cluster of galaxies. Cluster galaxies here typically appear yellow and — together with the cluster’s dark matter — act as a gravitational lens..
Fascinating!
If you’re into galaxies, space and the cosmos, click here and see a different image every single day :)
Fully, like check out the pretty colours, stellar-like, space is really like BIG!