Keywords: M51 2MASS.jpg Galxy M51 im nahen Infrarot bei ca 2 mikrometer http //www ipac caltech edu/2mass/outreach/2mass html http //www ipac caltech edu/2mass/gallery/images_galaxies html Quote from http //www ipac caltech edu/2mass/gallery/index html Please note The images in this gallery are released into the public domain Credit Atlas Image or Atlas Image mosaic obtained as part of the Two Micron All Sky Survey 2MASS a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology funded by the National Aeronautics and Space Administration and the National Science Foundation 2MASS 2MASS images Whirlpool Galaxy |