Newly discovered river of stars fills most of the southern night sky 1550728058-201834950_fig1s
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1550728058-201834950_fig1s

In this special projection, the Milky Way curves around the entire image in an arc. The stars in the stream are displayed in red and cover almost the entire southern Galactic hemisphere, thereby crossing many well-known constellations. Background image: Gaia DR2 skymap
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