Webb Weighs an Early Twin of the Milky Way

What was the Milky Way like billions of years ago? One way we can find out is by looking at the most distant galaxies in the observable Universe. Seeing those far galaxies is one goal of the James Webb Space Telescope. It has revealed some surprising facts about early galaxies, and now it is starting to reveal the story of our own.Most of the galaxies Webb has observed so far have been larger than we expected, which led to some speculation that perhaps the Big Bang was wrong, which isn’t t