Mar
30

The Sloan Digital Sky Survey (SDSS) is two separate surveys in one: galaxies are identified in 2D images (right), then have their distance determined from their spectrum to create a 2 billion lightyears deep 3D map (left) where each galaxy is shown as a single point, the color representing the luminosity - this shows only those 66,976 our of 205,443 galaxies in the map that lie near the plane of Earth’s equator. Source: 3D map of Universe bolsters case for dark energy and dark matter, The Sloan Digital Sky Survey

The Sloan Digital Sky Survey (SDSS) is two separate surveys in one: galaxies are identified in 2D images (right), then have their distance determined from their spectrum to create a 2 billion lightyears deep 3D map (left) where each galaxy is shown as a single point, the color representing the luminosity - this shows only those 66,976 our of 205,443 galaxies in the map that lie near the plane of Earth’s equator.

Source: 3D map of Universe bolsters case for dark energy and dark matter, The Sloan Digital Sky Survey

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    Mind blowing.
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    hot damn. we’re less than specks.
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