Scientists discover 500 light-year-wide hole in the Milky Way torn open by a supernova A view of the spiral galaxy NGC 3949, which likely resembles how the Milky Way looks from afar
Scientists have discovered a gigantic hole
https://www.greenground.it/2021/09/25/scientists-discover-500-light-year-wide-hole-in-the-milky-way-torn-open-by-a-supernova-a-view-of-the-spiral-galaxy-ngc-3949-which-likely-resembles-how-the-milky-way-looks-from-afar/
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