Mystery 2 of 5 in video: GS9209 - A quiescent 600M-800M year old galaxy 10 times smaller in area than the Milkyway, but the same number of stars. (Alt GS9209 Article: https://phys.org/news/2023-05-ancient-galaxy-traits-revealed-webb.html)

Anton is by far my favorite science communicator. I usually watch him on New Pipe, but don’t want to share YT links on Fedi. Perhaps Odysee is a better user respecting option. I don’t know for sure, but it is the link source for this post