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May 8, 2006 New Milky Way companions found: SDSS-II first to view two dim dwarf galaxiesThe figures are created from SDSS-II images. Each star in the photometric database is assigned a color and plotted as to the star's brightness. These images are filtered by selecting stars whose colors and magnitudes are characteristic of the stars in each galaxy. (Credit: Vasily Belokurov, SDSS-II Collaboration) |