Panning on the Antennae Galaxy. The ?stellar fireworks? contain brilliant young clusters of tens of thousands of stars. Orange blobs to the left and right of center are the two cores of the original galaxies, criss-crossed by dark filaments of dust seen in silhouette. Brilliant blue star clusters, born in the collision, pepper the galaxies. Pinkish glowing hydrogen gas identify star birth regions glowing under the intense energy from newborn stars.