National Research Council of Canada. Herzberg Astronomy and Astrophysics
universe and galaxies
Outlining the history of the universe is definitely a work in progress. Where we are now is the result of centuries of work by scientists all over the world. Although we have we have much more to learn and it is doubtful that we will ever know the whole story, it really is surprising how much we have managed to find out. Here is the story so far.