Largest-ever map of dark matter

Astronomers release the most precise look at the universe’s evolution.

the Víctor M. Blanco Telescope in Chile, where the Dark Energy Survey observations were taken
The Dark Energy Survey has imaged roughly 5,000 square degrees of southern sky. The survey has mapped hundreds of millions of galaxies to help researchers understand the accelerating expansion of our universe. Credit: Reidar Hahn, Fermilab