Science
Astronomers discover mysterious 500-light-year-wide ‘cavity’ in our Milky Way – Space.com
A supernova likely carved it out millions of years ago.
Astronomers have discovered an enormous cavity in the Milky Way galaxy that is believed to have formed after a stellar explosion millions of years ago.
The bubble-shaped void is 500 light-years wide and is located between star-forming regions
in the Perseus…
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