The night sky is a natural time machine, used by cosmologists to explore the origins and evolution of the universe. Reaching into the depths of the past, a class of undergraduate students at the University of Chicago sought to do the same—and uncovered an extraordinarily distant galaxy in the early cosmos.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/studentsdisc.jpg)
Source:
https://phys.org/news/2021-01-students-bright-lensed-galaxy-early.html