A dust ring over 600 light years across, with the appearance of an infinity symbol, is circling our galaxy’s center, over 25.000 ly away. (infrared vision of NASA’s Spitzer Space Telescope)

 
A dust ring over 600 light years across, with the appearance of an infinity symbol, is circling our galaxy's center, over 25.000 ly away. (infrared vision of NASA's Spitzer Space Telescope)

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