Assertion: supernova | /r/AtLocation | the milky way
Facets:
Source sentences:
text: It’s expected that a supernova will occur in a galaxy like the Milky Way once every 10 to 50 years.
text: At any rate, no supernova occurring within the Milky Way has been visible to the naked eye from Earth since.
text: It is sometimes called Kepler's Star and it occurred in the Milky Way.