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Celestial Album
2-D slice of the Universe


A 2-D slice through BOSS´ full 3-D map of the universe to date. The black dots going out to about 7 billion light years are relatively nearby galaxies. The colored region beginning at about 10 billion light years is intergalactic hydrogen gas; red areas have more gas and blue areas have less. The blank region between is inaccessible to the Sloan Telescope, but the proposed BigBOSS survey would be able to observe it. Credit: Anže Slosar and BOSS Lyman-alpha cosmology working group. Click on image for best resolution

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