The Vera Rubin Observatory’s Legacy Survey of Space and Time has begun, aiming to capture changes in brightness and position in the southern night sky over the next decade. It will focus on studying dark energy, dark matter, and near-Earth objects.

The Vera Rubin Observatory’s long-awaited Legacy Survey of Space and Time has begun. This decade-long movie of the cosmos will capture anything that changes brightness, position, or both in the southern night sky. It will study grand subjects like dark energy and dark matter, and important things closer to home like near-Earth objects.
