Scientists have used a synthetic universe to observe how the first galaxies evolved and grew. In fact, it is so close to the real thing that it's tricking some astronomers.

Synthetic universe allows you to 'see and hear' galaxies evolving from the dawn of time (video)

Source: space
Source Link: https://www.space.com/astronomy/galaxies/synthetic-universe-allows-you-to-see-and-hear-galaxies-evolving-from-the-dawn-of-time-video