Astronomers discover mysterious 500-light-year-wide 'cavity' in our Milky Way

Astronomers discover mysterious 500-light-year-wide 'cavity' in our Milky Way
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Astronomers have discovered a huge cavity 500 light-years wide in the Milky Way galaxy believed to have been carved out by a supernova 10 million years ago.



September 24, 2021 at 02:41AM
via Space.com read more...