Galaxy Simulation

In these digital simulations, a Milky Way–like galaxy forms and evolves from the early universe to the present day. The leftmost column shows the distribution of invisible dark matter; the center column the temperature of gas (where blue is cold and red is hot); and the right column the density of stars. Each row highlights a different size scale: The top row is a zoomed-in look at the galactic disk; the center column a mid-range view of the galactic halo; and the bottom row a zoomed-out view of the environment around the galaxy. Read the full story: Video credit: Tobias Buck Facebook: Twitter: Sign up for our weekly newsletter: