an image of a very large galaxy in the sky

Ground-based Image of Andromeda Galaxy, M31 Caption This image of the Andromeda galaxy was taken on Jan. 13, 2001, with the WIYN/KPNO 0.9-meter Mosaic I by T. Rector and B. Wolpa of the National Optical Astronomy Observatory in Tucson, Ariz. Credits Image Travis A. Rector (NOAO, AURA, NSF), B. A. Wolpa (NOAO, AURA, NSF)