... Which is older -- the rocks you see on the ground or the light you see from the sky? ... Connecting the Pipe Nebula to the colorful region near bright star Antares is a dark cloud dubbed the Dark River, flowing from the picture's left edge. ... The stars of the globular cluster, first identified in the Palomar Sky Survey, are younger than those in other globular star clusters that roam the halo of our Milky Way Galaxy. Dark Craters and Bright Spots Revealed on Asteroid Ceres . ...