13.7 Billion Years Of Galaxy Formation In 44.2 Seconds | Simulation

Visualized through supercomputers, the violent dance of intergalactic gas, stars, dust and dark matter forms a large spiral galaxy like our own Milky Way. A few smaller galaxies are ‘eaten’ along the way.

Galaxy Smash-Up Seen Only In X-Rays For First Time

credit : NASA / GSFC