Residing behind a galaxy supercluster called Abell 2744, the JD1 galaxy is gravitationally lensed and displays three images. A projected image of the galaxy JD1 (inset), which is located behind the galaxy cluster Abell 2744. Image credit: Guido Roberts-Borsani, UCLA / NASA / ESA / CSA / Swinburne University of Technology / University of Pittsburgh / STScI. The first billion years of the Universe’s life were a crucial period in its evolution. After...
