A billion light-year-wide 'galactic bubble' discovered for the first time in the universe

A billion light-year-wide ‘galactic bubble’ discovered for the first time in the universe

The slightly altered image shows the bubble, which is a billion light-years across and filled with galaxies. Photo: AFP London: After reviewing images and data from the Hubble Space Telescope, international astronomers have for the first time discovered a bubble-like structure in the universe that is based on galaxies and is estimated to be a…

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