Biggest map of Universe reveals colossal structures

Giant structures stretching more than a billion light years across have been revealed by two new maps of the distribution of galaxies in the Universe. The updated atlases lend more support to the idea that the Universe is dominated by dark matter and dark energy.

Both studies used data from the Sloan Digital Sky Survey to gather the colour and position in the sky of more than a million galaxies. But in order to understand galaxy distribution in three dimensions, researchers must also know the distance between each galaxy and the Earth.

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