Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 January 25 Palomar 13's Last Stand Credit: M. Siegel & S. Majewski (UVA), C. Gallart (Yale), K. Cudworth (Yerkes), M. Takamiya (Gemini), Las Campanas Observatory Explanation: Globular star cluster Palomar 13 has roamed the halo of our Milky Way Galaxy for the last 12 billion years. The apparently sparse cluster of stars just left of center in this composite color digital image, it is one of the...